About Professor Otter
Put the screen down. Pick a pencil up.
Professor Otter is a library of printable puzzles for kids. Word searches, mazes, color by number, coloring pages, dot-to-dot, drawing practice, criss-cross, word scrambles, spot the difference, sudoku, games for road trips and parties, secret codes, nonograms, bingo cards, Seek and Count, Color by Math, Crosswords, and Logic Puzzles. Parents and teachers pick an activity and a level, then print for the car, the kitchen table, or the classroom.
Who it's for
Families who want something quiet and offline. Homeschoolers and classrooms that need themed puzzles with answer keys. Anyone tired of handing a kid a tablet for "just five minutes."
Puzzles come in levels: Easy, Challenge and Expert. Topics cover animals, food, nature, places, sports, home life, science, holidays, music and arts, and history.
What's free and what's paid
Hundreds of individual puzzles stay free on this site. Play online or print one page at a time.
The shop sells whole PDF books and topic packs: tidy downloads with answers in the back. Buy once, download instantly, and print as many copies as your family or class needs under our license.
Spiral-bound color books are listed as coming soon. When print is live, they ship separately. Digital PDFs are available today.
How we work
We build the puzzles and keep the free library growing. Paid books bundle what you already see on the site so you can print a stack without hunting page by page.
Accounts are for adults 18 and over. Kids play the activities. They don't need an account.
Trust and support
Payments go through Stripe. We never see your card number.
If a download fails after purchase, email hello@professorotter.com and we will fix delivery. Digital purchases are otherwise non-refundable once the file is delivered. Full details are on our Terms and Privacy pages.