[{"type":"secret-code","slug":"halloween-ghost-room","title":"Halloween Picture Code: Ghost Room","description":"Which room does a ghost never need? Use the picture key to decode the answer.","question":"Which room does a ghost never need?","theme":"Halloween","category":"holidays","categoryName":"Holidays & Seasons","level":"easy","code":"pictures","keyGiven":true,"hints":0,"letters":11,"url":"https://professorotter.com/secret-codes/halloween-ghost-room","pdfUrl":"https://professorotter.com/secret-codes/halloween-ghost-room/pdf","markdownUrl":"https://professorotter.com/secret-codes/halloween-ghost-room.md"},{"type":"secret-code","slug":"halloween-carved-face","title":"Halloween Picture Code: Carved Face","description":"I am round and orange, and you carve my face. What am I? Use the picture key to decode the answer.","question":"I am round and orange, and you carve my face. What am I?","theme":"Halloween","category":"holidays","categoryName":"Holidays & Seasons","level":"easy","code":"pictures","keyGiven":true,"hints":0,"letters":8,"url":"https://professorotter.com/secret-codes/halloween-carved-face","pdfUrl":"https://professorotter.com/secret-codes/halloween-carved-face/pdf","markdownUrl":"https://professorotter.com/secret-codes/halloween-carved-face.md"},{"type":"secret-code","slug":"halloween-bat-hangout","title":"Halloween Picture Code: Bat Hangout","description":"What do bats do after school? Use the picture key to decode the answer.","question":"What do bats do after school?","theme":"Halloween","category":"holidays","categoryName":"Holidays & Seasons","level":"easy","code":"pictures","keyGiven":true,"hints":0,"letters":7,"url":"https://professorotter.com/secret-codes/halloween-bat-hangout","pdfUrl":"https://professorotter.com/secret-codes/halloween-bat-hangout/pdf","markdownUrl":"https://professorotter.com/secret-codes/halloween-bat-hangout.md"},{"type":"secret-code","slug":"thanksgiving-turkey-phone","title":"Thanksgiving Picture Code: Turkey Phone","description":"What sound does a turkey's phone make? Use the picture key to decode the answer.","question":"What sound does a turkey's phone make?","theme":"Thanksgiving","category":"holidays","categoryName":"Holidays & Seasons","level":"easy","code":"pictures","keyGiven":true,"hints":0,"letters":8,"url":"https://professorotter.com/secret-codes/thanksgiving-turkey-phone","pdfUrl":"https://professorotter.com/secret-codes/thanksgiving-turkey-phone/pdf","markdownUrl":"https://professorotter.com/secret-codes/thanksgiving-turkey-phone.md"},{"type":"secret-code","slug":"thanksgiving-pie-riddle","title":"Thanksgiving Picture Code: Pie Riddle","description":"I sit in a crust and I am made from a big orange squash. What am I? Use the picture key to decode the answer.","question":"I sit in a crust and I am made from a big orange squash. What am I?","theme":"Thanksgiving","category":"holidays","categoryName":"Holidays & Seasons","level":"easy","code":"pictures","keyGiven":true,"hints":0,"letters":10,"url":"https://professorotter.com/secret-codes/thanksgiving-pie-riddle","pdfUrl":"https://professorotter.com/secret-codes/thanksgiving-pie-riddle/pdf","markdownUrl":"https://professorotter.com/secret-codes/thanksgiving-pie-riddle.md"},{"type":"secret-code","slug":"thanksgiving-corn-ears","title":"Thanksgiving Picture Code: Corn Ears","description":"Why can corn hear so well? Use the picture key to decode the answer.","question":"Why can corn hear so well?","theme":"Thanksgiving","category":"holidays","categoryName":"Holidays & Seasons","level":"easy","code":"pictures","keyGiven":true,"hints":0,"letters":11,"url":"https://professorotter.com/secret-codes/thanksgiving-corn-ears","pdfUrl":"https://professorotter.com/secret-codes/thanksgiving-corn-ears/pdf","markdownUrl":"https://professorotter.com/secret-codes/thanksgiving-corn-ears.md"},{"type":"secret-code","slug":"christmas-elf-school","title":"Christmas Picture Code: Elf School","description":"What do elves learn in school? Use the picture key to decode the answer.","question":"What do elves learn in school?","theme":"Christmas","category":"holidays","categoryName":"Holidays & Seasons","level":"easy","code":"pictures","keyGiven":true,"hints":0,"letters":10,"url":"https://professorotter.com/secret-codes/christmas-elf-school","pdfUrl":"https://professorotter.com/secret-codes/christmas-elf-school/pdf","markdownUrl":"https://professorotter.com/secret-codes/christmas-elf-school.md"},{"type":"secret-code","slug":"christmas-snow-kids","title":"Christmas Picture Code: Snow Kids","description":"What do snowmen call their kids? Use the picture key to decode the answer.","question":"What do snowmen call their kids?","theme":"Christmas","category":"holidays","categoryName":"Holidays & Seasons","level":"easy","code":"pictures","keyGiven":true,"hints":0,"letters":9,"url":"https://professorotter.com/secret-codes/christmas-snow-kids","pdfUrl":"https://professorotter.com/secret-codes/christmas-snow-kids/pdf","markdownUrl":"https://professorotter.com/secret-codes/christmas-snow-kids.md"},{"type":"secret-code","slug":"christmas-sleigh-puller","title":"Christmas Picture Code: Sleigh Puller","description":"I have antlers and I pull a sleigh across the sky. What am I? Use the picture key to decode the answer.","question":"I have antlers and I pull a sleigh across the sky. What am I?","theme":"Christmas","category":"holidays","categoryName":"Holidays & Seasons","level":"easy","code":"pictures","keyGiven":true,"hints":0,"letters":9,"url":"https://professorotter.com/secret-codes/christmas-sleigh-puller","pdfUrl":"https://professorotter.com/secret-codes/christmas-sleigh-puller/pdf","markdownUrl":"https://professorotter.com/secret-codes/christmas-sleigh-puller.md"},{"type":"secret-code","slug":"animals-cow-date","title":"Animal Picture Code: Cow Date","description":"Where do cows go on a date? Use the picture key to decode the answer.","question":"Where do cows go on a date?","theme":"Animal","category":"animals","categoryName":"Animals","level":"easy","code":"pictures","keyGiven":true,"hints":0,"letters":10,"url":"https://professorotter.com/secret-codes/animals-cow-date","pdfUrl":"https://professorotter.com/secret-codes/animals-cow-date/pdf","markdownUrl":"https://professorotter.com/secret-codes/animals-cow-date.md"},{"type":"secret-code","slug":"animals-night-owl","title":"Animal Picture Code: Night Owl","description":"I stay up all night and say hoo. What am I? Use the picture key to decode the answer.","question":"I stay up all night and say hoo. What am I?","theme":"Animal","category":"animals","categoryName":"Animals","level":"easy","code":"pictures","keyGiven":true,"hints":0,"letters":5,"url":"https://professorotter.com/secret-codes/animals-night-owl","pdfUrl":"https://professorotter.com/secret-codes/animals-night-owl/pdf","markdownUrl":"https://professorotter.com/secret-codes/animals-night-owl.md"},{"type":"secret-code","slug":"ocean-fish-money","title":"Ocean Picture Code: Fish Money","description":"Where do fish keep their money? Use the picture key to decode the answer.","question":"Where do fish keep their money?","theme":"Ocean","category":"nature","categoryName":"Nature","level":"easy","code":"pictures","keyGiven":true,"hints":0,"letters":12,"url":"https://professorotter.com/secret-codes/ocean-fish-money","pdfUrl":"https://professorotter.com/secret-codes/ocean-fish-money/pdf","markdownUrl":"https://professorotter.com/secret-codes/ocean-fish-money.md"},{"type":"secret-code","slug":"ocean-sideways-walker","title":"Ocean Picture Code: Sideways Walker","description":"I walk sideways and I have two pinchers. What am I? Use the picture key to decode the answer.","question":"I walk sideways and I have two pinchers. What am I?","theme":"Ocean","category":"nature","categoryName":"Nature","level":"easy","code":"pictures","keyGiven":true,"hints":0,"letters":5,"url":"https://professorotter.com/secret-codes/ocean-sideways-walker","pdfUrl":"https://professorotter.com/secret-codes/ocean-sideways-walker/pdf","markdownUrl":"https://professorotter.com/secret-codes/ocean-sideways-walker.md"},{"type":"secret-code","slug":"space-moon-haircut","title":"Space Picture Code: Moon Haircut","description":"How does the moon cut its hair? Use the picture key to decode the answer.","question":"How does the moon cut its hair?","theme":"Space","category":"science","categoryName":"Science","level":"easy","code":"pictures","keyGiven":true,"hints":0,"letters":9,"url":"https://professorotter.com/secret-codes/space-moon-haircut","pdfUrl":"https://professorotter.com/secret-codes/space-moon-haircut/pdf","markdownUrl":"https://professorotter.com/secret-codes/space-moon-haircut.md"},{"type":"secret-code","slug":"space-closest-star","title":"Space Picture Code: Closest Star","description":"I am the star closest to Earth. What am I? Use the picture key to decode the answer.","question":"I am the star closest to Earth. What am I?","theme":"Space","category":"science","categoryName":"Science","level":"easy","code":"pictures","keyGiven":true,"hints":0,"letters":6,"url":"https://professorotter.com/secret-codes/space-closest-star","pdfUrl":"https://professorotter.com/secret-codes/space-closest-star/pdf","markdownUrl":"https://professorotter.com/secret-codes/space-closest-star.md"},{"type":"secret-code","slug":"dinosaurs-sleepy-dino","title":"Dinosaur Picture Code: Sleepy Dino","description":"What do you call a sleeping dinosaur? Use the picture key to decode the answer.","question":"What do you call a sleeping dinosaur?","theme":"Dinosaur","category":"science","categoryName":"Science","level":"easy","code":"pictures","keyGiven":true,"hints":0,"letters":10,"url":"https://professorotter.com/secret-codes/dinosaurs-sleepy-dino","pdfUrl":"https://professorotter.com/secret-codes/dinosaurs-sleepy-dino/pdf","markdownUrl":"https://professorotter.com/secret-codes/dinosaurs-sleepy-dino.md"},{"type":"secret-code","slug":"dinosaurs-dino-egg","title":"Dinosaur Picture Code: Dino Egg","description":"Baby dinosaurs hatched out of me. What am I? Use the picture key to decode the answer.","question":"Baby dinosaurs hatched out of me. What am I?","theme":"Dinosaur","category":"science","categoryName":"Science","level":"easy","code":"pictures","keyGiven":true,"hints":0,"letters":5,"url":"https://professorotter.com/secret-codes/dinosaurs-dino-egg","pdfUrl":"https://professorotter.com/secret-codes/dinosaurs-dino-egg/pdf","markdownUrl":"https://professorotter.com/secret-codes/dinosaurs-dino-egg.md"},{"type":"secret-code","slug":"food-banana-doctor","title":"Food Picture Code: Banana Doctor","description":"Why did the banana see a doctor? Use the picture key to decode the answer.","question":"Why did the banana see a doctor?","theme":"Food","category":"food","categoryName":"Food & Drink","level":"easy","code":"pictures","keyGiven":true,"hints":0,"letters":14,"url":"https://professorotter.com/secret-codes/food-banana-doctor","pdfUrl":"https://professorotter.com/secret-codes/food-banana-doctor/pdf","markdownUrl":"https://professorotter.com/secret-codes/food-banana-doctor.md"},{"type":"secret-code","slug":"food-movie-snack","title":"Food Picture Code: Movie Snack","description":"I pop in a hot pan and you eat me at the movies. What am I? Use the picture key to decode the answer.","question":"I pop in a hot pan and you eat me at the movies. What am I?","theme":"Food","category":"food","categoryName":"Food & Drink","level":"easy","code":"pictures","keyGiven":true,"hints":0,"letters":7,"url":"https://professorotter.com/secret-codes/food-movie-snack","pdfUrl":"https://professorotter.com/secret-codes/food-movie-snack/pdf","markdownUrl":"https://professorotter.com/secret-codes/food-movie-snack.md"},{"type":"secret-code","slug":"sports-messy-players","title":"Sports Picture Code: Messy Players","description":"Why are basketball players messy eaters? Use the picture key to decode the answer.","question":"Why are basketball players messy eaters?","theme":"Sports","category":"sports","categoryName":"Sports & Games","level":"easy","code":"pictures","keyGiven":true,"hints":0,"letters":11,"url":"https://professorotter.com/secret-codes/sports-messy-players","pdfUrl":"https://professorotter.com/secret-codes/sports-messy-players/pdf","markdownUrl":"https://professorotter.com/secret-codes/sports-messy-players.md"},{"type":"secret-code","slug":"sports-kick-me","title":"Sports Picture Code: Kick Me","description":"Most players kick me and head me, but never throw me. What am I? Use the picture key to decode the answer.","question":"Most players kick me and head me, but never throw me. What am I?","theme":"Sports","category":"sports","categoryName":"Sports & Games","level":"easy","code":"pictures","keyGiven":true,"hints":0,"letters":11,"url":"https://professorotter.com/secret-codes/sports-kick-me","pdfUrl":"https://professorotter.com/secret-codes/sports-kick-me/pdf","markdownUrl":"https://professorotter.com/secret-codes/sports-kick-me.md"},{"type":"secret-code","slug":"bugs-bee-haircut","title":"Bug Picture Code: Bee Haircut","description":"What is a bee's favorite haircut? Use the picture key to decode the answer.","question":"What is a bee's favorite haircut?","theme":"Bug","category":"animals","categoryName":"Animals","level":"easy","code":"pictures","keyGiven":true,"hints":0,"letters":8,"url":"https://professorotter.com/secret-codes/bugs-bee-haircut","pdfUrl":"https://professorotter.com/secret-codes/bugs-bee-haircut/pdf","markdownUrl":"https://professorotter.com/secret-codes/bugs-bee-haircut.md"},{"type":"secret-code","slug":"bugs-wings-later","title":"Bug Picture Code: Wings Later","description":"I start out as a caterpillar and end up with bright wings. What am I? Use the picture key to decode the answer.","question":"I start out as a caterpillar and end up with bright wings. What am I?","theme":"Bug","category":"animals","categoryName":"Animals","level":"easy","code":"pictures","keyGiven":true,"hints":0,"letters":10,"url":"https://professorotter.com/secret-codes/bugs-wings-later","pdfUrl":"https://professorotter.com/secret-codes/bugs-wings-later/pdf","markdownUrl":"https://professorotter.com/secret-codes/bugs-wings-later.md"},{"type":"secret-code","slug":"weather-cloud-raincoat","title":"Weather Picture Code: Cloud Raincoat","description":"What does a cloud wear under its raincoat? Use the picture key to decode the answer.","question":"What does a cloud wear under its raincoat?","theme":"Weather","category":"nature","categoryName":"Nature","level":"easy","code":"pictures","keyGiven":true,"hints":0,"letters":11,"url":"https://professorotter.com/secret-codes/weather-cloud-raincoat","pdfUrl":"https://professorotter.com/secret-codes/weather-cloud-raincoat/pdf","markdownUrl":"https://professorotter.com/secret-codes/weather-cloud-raincoat.md"},{"type":"secret-code","slug":"weather-after-the-rain","title":"Weather Picture Code: After the Rain","description":"I show up when sunlight shines through raindrops. What am I? Use the picture key to decode the answer.","question":"I show up when sunlight shines through raindrops. What am I?","theme":"Weather","category":"nature","categoryName":"Nature","level":"easy","code":"pictures","keyGiven":true,"hints":0,"letters":8,"url":"https://professorotter.com/secret-codes/weather-after-the-rain","pdfUrl":"https://professorotter.com/secret-codes/weather-after-the-rain/pdf","markdownUrl":"https://professorotter.com/secret-codes/weather-after-the-rain.md"},{"type":"secret-code","slug":"school-snake-subject","title":"School Picture Code: Snake Subject","description":"What is a snake's favorite subject? Use the picture key to decode the answer.","question":"What is a snake's favorite subject?","theme":"School","category":"home","categoryName":"Home & Life","level":"easy","code":"pictures","keyGiven":true,"hints":0,"letters":8,"url":"https://professorotter.com/secret-codes/school-snake-subject","pdfUrl":"https://professorotter.com/secret-codes/school-snake-subject/pdf","markdownUrl":"https://professorotter.com/secret-codes/school-snake-subject.md"},{"type":"secret-code","slug":"school-spine-no-bones","title":"School Picture Code: Spine No Bones","description":"I have pages and a spine, but no bones. What am I? Use the picture key to decode the answer.","question":"I have pages and a spine, but no bones. What am I?","theme":"School","category":"home","categoryName":"Home & Life","level":"easy","code":"pictures","keyGiven":true,"hints":0,"letters":5,"url":"https://professorotter.com/secret-codes/school-spine-no-bones","pdfUrl":"https://professorotter.com/secret-codes/school-spine-no-bones/pdf","markdownUrl":"https://professorotter.com/secret-codes/school-spine-no-bones.md"},{"type":"secret-code","slug":"music-skeleton-band","title":"Music Picture Code: Skeleton Band","description":"What is a skeleton's favorite instrument? Use the picture key to decode the answer.","question":"What is a skeleton's favorite instrument?","theme":"Music","category":"arts","categoryName":"Music & Arts","level":"easy","code":"pictures","keyGiven":true,"hints":0,"letters":11,"url":"https://professorotter.com/secret-codes/music-skeleton-band","pdfUrl":"https://professorotter.com/secret-codes/music-skeleton-band/pdf","markdownUrl":"https://professorotter.com/secret-codes/music-skeleton-band.md"},{"type":"secret-code","slug":"music-keys-no-locks","title":"Music Picture Code: Keys No Locks","description":"I have keys but open no locks. What am I? Use the picture key to decode the answer.","question":"I have keys but open no locks. What am I?","theme":"Music","category":"arts","categoryName":"Music & Arts","level":"easy","code":"pictures","keyGiven":true,"hints":0,"letters":6,"url":"https://professorotter.com/secret-codes/music-keys-no-locks","pdfUrl":"https://professorotter.com/secret-codes/music-keys-no-locks/pdf","markdownUrl":"https://professorotter.com/secret-codes/music-keys-no-locks.md"},{"type":"secret-code","slug":"pirates-pirate-cards","title":"Pirate Picture Code: Pirate Cards","description":"Why couldn't the pirate play cards? Use the picture key to decode the answer.","question":"Why couldn't the pirate play cards?","theme":"Pirate","category":"history","categoryName":"History","level":"easy","code":"pictures","keyGiven":true,"hints":0,"letters":14,"url":"https://professorotter.com/secret-codes/pirates-pirate-cards","pdfUrl":"https://professorotter.com/secret-codes/pirates-pirate-cards/pdf","markdownUrl":"https://professorotter.com/secret-codes/pirates-pirate-cards.md"},{"type":"secret-code","slug":"pirates-x-marks-it","title":"Pirate Picture Code: X Marks It","description":"In pirate stories, an X on the map shows where I am buried. What am I? Use the picture key to decode the answer.","question":"In pirate stories, an X on the map shows where I am buried. What am I?","theme":"Pirate","category":"history","categoryName":"History","level":"easy","code":"pictures","keyGiven":true,"hints":0,"letters":8,"url":"https://professorotter.com/secret-codes/pirates-x-marks-it","pdfUrl":"https://professorotter.com/secret-codes/pirates-x-marks-it/pdf","markdownUrl":"https://professorotter.com/secret-codes/pirates-x-marks-it.md"},{"type":"secret-code","slug":"human-body-face-flowers","title":"Human Body Picture Code: Face Flowers","description":"Which flowers grow right on your face? Use the picture key to decode the answer.","question":"Which flowers grow right on your face?","theme":"Human Body","category":"science","categoryName":"Science","level":"easy","code":"pictures","keyGiven":true,"hints":0,"letters":6,"url":"https://professorotter.com/secret-codes/human-body-face-flowers","pdfUrl":"https://professorotter.com/secret-codes/human-body-face-flowers/pdf","markdownUrl":"https://professorotter.com/secret-codes/human-body-face-flowers.md"},{"type":"secret-code","slug":"human-body-bottom-on-top","title":"Human Body Picture Code: Bottom on Top","description":"What has a bottom at the top? Use the picture key to decode the answer.","question":"What has a bottom at the top?","theme":"Human Body","category":"science","categoryName":"Science","level":"easy","code":"pictures","keyGiven":true,"hints":0,"letters":8,"url":"https://professorotter.com/secret-codes/human-body-bottom-on-top","pdfUrl":"https://professorotter.com/secret-codes/human-body-bottom-on-top/pdf","markdownUrl":"https://professorotter.com/secret-codes/human-body-bottom-on-top.md"},{"type":"secret-code","slug":"halloween-skeleton-dance","title":"Halloween Secret Code: Skeleton Dance","description":"Why did the skeleton skip the dance? Use the letter key to decode the answer.","question":"Why did the skeleton skip the dance?","theme":"Halloween","category":"holidays","categoryName":"Holidays & Seasons","level":"challenge","code":"letters","keyGiven":true,"hints":0,"letters":22,"url":"https://professorotter.com/secret-codes/halloween-skeleton-dance","pdfUrl":"https://professorotter.com/secret-codes/halloween-skeleton-dance/pdf","markdownUrl":"https://professorotter.com/secret-codes/halloween-skeleton-dance.md"},{"type":"secret-code","slug":"halloween-turnip-lanterns","title":"Halloween Secret Code: Turnip Lanterns","description":"What did people carve before pumpkins? Use the letter key to decode the answer.","question":"What did people carve before pumpkins?","theme":"Halloween","category":"holidays","categoryName":"Holidays & Seasons","level":"challenge","code":"letters","keyGiven":true,"hints":0,"letters":28,"url":"https://professorotter.com/secret-codes/halloween-turnip-lanterns","pdfUrl":"https://professorotter.com/secret-codes/halloween-turnip-lanterns/pdf","markdownUrl":"https://professorotter.com/secret-codes/halloween-turnip-lanterns.md"},{"type":"secret-code","slug":"halloween-ghost-dessert","title":"Halloween Secret Code: Ghost Dessert","description":"What is a ghost's favorite dessert? Use the letter key to decode the answer.","question":"What is a ghost's favorite dessert?","theme":"Halloween","category":"holidays","categoryName":"Holidays & Seasons","level":"challenge","code":"letters","keyGiven":true,"hints":0,"letters":22,"url":"https://professorotter.com/secret-codes/halloween-ghost-dessert","pdfUrl":"https://professorotter.com/secret-codes/halloween-ghost-dessert/pdf","markdownUrl":"https://professorotter.com/secret-codes/halloween-ghost-dessert.md"},{"type":"secret-code","slug":"thanksgiving-turkey-feathers","title":"Thanksgiving Secret Code: Turkey Feathers","description":"How many feathers does a wild turkey have? Use the letter key to decode the answer.","question":"How many feathers does a wild turkey have?","theme":"Thanksgiving","category":"holidays","categoryName":"Holidays & Seasons","level":"challenge","code":"letters","keyGiven":true,"hints":0,"letters":20,"url":"https://professorotter.com/secret-codes/thanksgiving-turkey-feathers","pdfUrl":"https://professorotter.com/secret-codes/thanksgiving-turkey-feathers/pdf","markdownUrl":"https://professorotter.com/secret-codes/thanksgiving-turkey-feathers.md"},{"type":"secret-code","slug":"thanksgiving-stuffed-turkey","title":"Thanksgiving Secret Code: Stuffed Turkey","description":"Why did the turkey say no to dessert? Use the letter key to decode the answer.","question":"Why did the turkey say no to dessert?","theme":"Thanksgiving","category":"holidays","categoryName":"Holidays & Seasons","level":"challenge","code":"letters","keyGiven":true,"hints":0,"letters":19,"url":"https://professorotter.com/secret-codes/thanksgiving-stuffed-turkey","pdfUrl":"https://professorotter.com/secret-codes/thanksgiving-stuffed-turkey/pdf","markdownUrl":"https://professorotter.com/secret-codes/thanksgiving-stuffed-turkey.md"},{"type":"secret-code","slug":"thanksgiving-cranberry-bounce","title":"Thanksgiving Secret Code: Cranberry Bounce","description":"How can you tell if a cranberry is fresh? Use the letter key to decode the answer.","question":"How can you tell if a cranberry is fresh?","theme":"Thanksgiving","category":"holidays","categoryName":"Holidays & Seasons","level":"challenge","code":"letters","keyGiven":true,"hints":0,"letters":24,"url":"https://professorotter.com/secret-codes/thanksgiving-cranberry-bounce","pdfUrl":"https://professorotter.com/secret-codes/thanksgiving-cranberry-bounce/pdf","markdownUrl":"https://professorotter.com/secret-codes/thanksgiving-cranberry-bounce.md"},{"type":"secret-code","slug":"christmas-tree-needles","title":"Christmas Secret Code: Tree Needles","description":"Why was the Christmas tree bad at knitting? Use the letter key to decode the answer.","question":"Why was the Christmas tree bad at knitting?","theme":"Christmas","category":"holidays","categoryName":"Holidays & Seasons","level":"challenge","code":"letters","keyGiven":true,"hints":0,"letters":24,"url":"https://professorotter.com/secret-codes/christmas-tree-needles","pdfUrl":"https://professorotter.com/secret-codes/christmas-tree-needles/pdf","markdownUrl":"https://professorotter.com/secret-codes/christmas-tree-needles.md"},{"type":"secret-code","slug":"christmas-gingerbread-doctor","title":"Christmas Secret Code: Gingerbread Doctor","description":"Why did the gingerbread man go to the doctor? Use the letter key to decode the answer.","question":"Why did the gingerbread man go to the doctor?","theme":"Christmas","category":"holidays","categoryName":"Holidays & Seasons","level":"challenge","code":"letters","keyGiven":true,"hints":0,"letters":18,"url":"https://professorotter.com/secret-codes/christmas-gingerbread-doctor","pdfUrl":"https://professorotter.com/secret-codes/christmas-gingerbread-doctor/pdf","markdownUrl":"https://professorotter.com/secret-codes/christmas-gingerbread-doctor.md"},{"type":"secret-code","slug":"christmas-reindeer-eyes","title":"Christmas Secret Code: Reindeer Eyes","description":"What happens to a reindeer's eyes in winter? Use the letter key to decode the answer.","question":"What happens to a reindeer's eyes in winter?","theme":"Christmas","category":"holidays","categoryName":"Holidays & Seasons","level":"challenge","code":"letters","keyGiven":true,"hints":0,"letters":27,"url":"https://professorotter.com/secret-codes/christmas-reindeer-eyes","pdfUrl":"https://professorotter.com/secret-codes/christmas-reindeer-eyes/pdf","markdownUrl":"https://professorotter.com/secret-codes/christmas-reindeer-eyes.md"},{"type":"secret-code","slug":"animals-elephant-ears","title":"Animal Secret Code: Elephant Ears","description":"Why do elephants flap their big ears? Use the letter key to decode the answer.","question":"Why do elephants flap their big ears?","theme":"Animal","category":"animals","categoryName":"Animals","level":"challenge","code":"letters","keyGiven":true,"hints":0,"letters":33,"url":"https://professorotter.com/secret-codes/animals-elephant-ears","pdfUrl":"https://professorotter.com/secret-codes/animals-elephant-ears/pdf","markdownUrl":"https://professorotter.com/secret-codes/animals-elephant-ears.md"},{"type":"secret-code","slug":"animals-computer-cat","title":"Animal Secret Code: Computer Cat","description":"Why did the cat sit on the computer? Use the letter key to decode the answer.","question":"Why did the cat sit on the computer?","theme":"Animal","category":"animals","categoryName":"Animals","level":"challenge","code":"letters","keyGiven":true,"hints":0,"letters":21,"url":"https://professorotter.com/secret-codes/animals-computer-cat","pdfUrl":"https://professorotter.com/secret-codes/animals-computer-cat/pdf","markdownUrl":"https://professorotter.com/secret-codes/animals-computer-cat.md"},{"type":"secret-code","slug":"ocean-octopus-hearts","title":"Ocean Secret Code: Octopus Hearts","description":"How many hearts does an octopus have? Use the letter key to decode the answer.","question":"How many hearts does an octopus have?","theme":"Ocean","category":"nature","categoryName":"Nature","level":"challenge","code":"letters","keyGiven":true,"hints":0,"letters":23,"url":"https://professorotter.com/secret-codes/ocean-octopus-hearts","pdfUrl":"https://professorotter.com/secret-codes/ocean-octopus-hearts/pdf","markdownUrl":"https://professorotter.com/secret-codes/ocean-octopus-hearts.md"},{"type":"secret-code","slug":"ocean-whale-crossing","title":"Ocean Secret Code: Whale Crossing","description":"Why did the whale cross the ocean? Use the letter key to decode the answer.","question":"Why did the whale cross the ocean?","theme":"Ocean","category":"nature","categoryName":"Nature","level":"challenge","code":"letters","keyGiven":true,"hints":0,"letters":19,"url":"https://professorotter.com/secret-codes/ocean-whale-crossing","pdfUrl":"https://professorotter.com/secret-codes/ocean-whale-crossing/pdf","markdownUrl":"https://professorotter.com/secret-codes/ocean-whale-crossing.md"},{"type":"secret-code","slug":"space-red-planet","title":"Space Secret Code: Red Planet","description":"Why does Mars look red? Use the letter key to decode the answer.","question":"Why does Mars look red?","theme":"Space","category":"science","categoryName":"Science","level":"challenge","code":"letters","keyGiven":true,"hints":0,"letters":19,"url":"https://professorotter.com/secret-codes/space-red-planet","pdfUrl":"https://professorotter.com/secret-codes/space-red-planet/pdf","markdownUrl":"https://professorotter.com/secret-codes/space-red-planet.md"},{"type":"secret-code","slug":"space-star-school","title":"Space Secret Code: Star School","description":"Why did the star go to school? Use the letter key to decode the answer.","question":"Why did the star go to school?","theme":"Space","category":"science","categoryName":"Science","level":"challenge","code":"letters","keyGiven":true,"hints":0,"letters":20,"url":"https://professorotter.com/secret-codes/space-star-school","pdfUrl":"https://professorotter.com/secret-codes/space-star-school/pdf","markdownUrl":"https://professorotter.com/secret-codes/space-star-school.md"},{"type":"secret-code","slug":"dinosaurs-feathered-dinosaurs","title":"Dinosaur Secret Code: Feathered Dinosaurs","description":"Did any dinosaurs have feathers? 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Use the letter key to decode the answer.","question":"Why did the dinosaur cross the road?","theme":"Dinosaur","category":"science","categoryName":"Science","level":"challenge","code":"letters","keyGiven":true,"hints":0,"letters":24,"url":"https://professorotter.com/secret-codes/dinosaurs-dino-crossing","pdfUrl":"https://professorotter.com/secret-codes/dinosaurs-dino-crossing/pdf","markdownUrl":"https://professorotter.com/secret-codes/dinosaurs-dino-crossing.md"},{"type":"secret-code","slug":"food-forever-honey","title":"Food Secret Code: Forever Honey","description":"How long can honey last? Use the letter key to decode the answer.","question":"How long can honey last?","theme":"Food","category":"food","categoryName":"Food & Drink","level":"challenge","code":"letters","keyGiven":true,"hints":0,"letters":36,"url":"https://professorotter.com/secret-codes/food-forever-honey","pdfUrl":"https://professorotter.com/secret-codes/food-forever-honey/pdf","markdownUrl":"https://professorotter.com/secret-codes/food-forever-honey.md"},{"type":"secret-code","slug":"food-blushing-tomato","title":"Food Secret Code: Blushing Tomato","description":"Why did the tomato blush? 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Use the letter key to decode the answer.","question":"Why did the golfer wear two pairs of pants?","theme":"Sports","category":"sports","categoryName":"Sports & Games","level":"challenge","code":"letters","keyGiven":true,"hints":0,"letters":21,"url":"https://professorotter.com/secret-codes/sports-golf-pants","pdfUrl":"https://professorotter.com/secret-codes/sports-golf-pants/pdf","markdownUrl":"https://professorotter.com/secret-codes/sports-golf-pants.md"},{"type":"secret-code","slug":"sports-marathon-miles","title":"Sports Secret Code: Marathon Miles","description":"How long is a marathon? 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