# Professor Otter sitemap

| Page | Summary |
| --- | --- |
| [Home](https://professorotter.com) | Screen-free printable activities for kids: free word searches, color-by-number, coloring pages, mazes, dot-to-dot, drawing practice, criss-cross puzzles, word scrambles, spot the difference, sudoku, games, secret codes, bingo, nonograms, and logic puzzles, plus printable PDF books, topic packs, and spiral-bound word-search books. |
| [Word searches](https://professorotter.com/word-searches) | 301 free word searches |
| [Color by number](https://professorotter.com/color-by-number) | 209 free pictures |
| [Coloring pages](https://professorotter.com/coloring-pages) | 40 free pages |
| [Mazes](https://professorotter.com/mazes) | 50 free mazes |
| [Dot-to-dot](https://professorotter.com/dot-to-dot) | 37 free pictures |
| [Drawing practice](https://professorotter.com/drawing-practice) | 37 free sheets |
| [Criss-cross](https://professorotter.com/criss-cross) | 301 free puzzles |
| [Word scrambles](https://professorotter.com/word-scrambles) | 301 free pages |
| [Spot the difference](https://professorotter.com/spot-the-difference) | 150 free puzzles |
| [Sudoku](https://professorotter.com/sudoku) | 60 free puzzles |
| [Games](https://professorotter.com/games) | 15 free games for road trips and parties |
| [Seek and count](https://professorotter.com/seek-and-count) | 60 free scenes |
| [Color by math](https://professorotter.com/color-by-math) | 162 free worksheets |
| [Crosswords](https://professorotter.com/crosswords) | 280 free crosswords |
| [Secret codes](https://professorotter.com/secret-codes) | 99 free codes |
| [Nonograms](https://professorotter.com/nonograms) | 64 free puzzles |
| [Bingo cards](https://professorotter.com/bingo) | 189 free card sets |
| [Logic puzzles](https://professorotter.com/logic-puzzles) | 75 free puzzles |
| [Shop](https://professorotter.com/shop) | Printable PDF books, topic packs, and the bundle. Spiral-bound word-search books are coming soon |
| [Pricing](https://professorotter.com/pricing) | What is free, and every book's price and availability |
| [Developers](https://professorotter.com/developers) | Read-only catalog API guide |
| [llms.txt](https://professorotter.com/llms.txt) | Agent site guide |
| [llms-full.txt](https://professorotter.com/llms-full.txt) | Full activity and product catalog |
| [openapi.json](https://professorotter.com/openapi.json) | Catalog API description |
| [api-catalog](https://professorotter.com/.well-known/api-catalog) | RFC 9727 API catalog |
| [ard.json](https://professorotter.com/.well-known/ard.json) | Agentic Resource Discovery catalog |
| [ai-catalog.json](https://professorotter.com/.well-known/ai-catalog.json) | The same catalog at the AI Catalog path |
| [agent-skills](https://professorotter.com/.well-known/agent-skills/index.json) | Agent Skills index |