Brain-Building Books
Activity workbooks, coloring books, word search, and maze books that make critical thinking fun. Designed for ages 6-14. Print at home, use on a tablet, or order a printed copy.
Ages 6-8 Starter Pack
All 6 Activity Workbooks
Ages 9-11 Brain Builder Pack
All 6 Activity Workbooks
Ages 12-14 Master Pack
All 6 Activity Workbooks
Complete Collection
All 18 Activity Workbooks
Coloring Book Collection
All 12 Coloring Books
Professor Hoot's Quest Mega Bundle
All 5 Quest Coloring Books
Code Breaker Mega Pack
All 6 Themed Editions in One Book
Code Breaker Ultimate Edition
All 15 Code Breaker Books in One Volume
What's Inside Every Workbook
Magazine-Style Design
Colorful, illustrated pages that kids actually want to look at — not boring worksheets
20+ Activities
Puzzles, cases, experiments, and challenges that build real thinking skills
Progressive Difficulty
Activities ramp from Easy to Hard so every kid can start at their level
Full Answer Key
Detailed explanations that teach the WHY, not just the what — great for parents too
Play the Games Too!
Each workbook has a companion online game in ThinkQuest Town. Practice on paper, play online — the skills reinforce each other.