Brady Whitney is raising funds for Codex Silenda: The Book of Puzzles on Kickstarter! Codex Silenda is a five page book that features five intricate puzzles. The user must solve each page’s puzzle to unlock the next page.
Puzzle Book With Pages That Must Be Solved to Unlock the Next. Only The Smart Ones Can Read It
Secret compartment romanian puzzle box wood book by TransylvanyArt
The Everything Kids' Puzzle Book: Mazes, Word Games, Puzzles & More! Hours of Fun! PDF
Judy Big Block Puzzle Book - Fun in Space
Judy Big Block Puzzle Book - Fun in Space (Like new condition) Easy-to-read play and learn books with blocks that allow children to play as they attain fundamental skills. Includes six different block puzzle activities that use 10 colorful blocks per book. | eBay!