This portable prehistoric puzzle book with a built-in decoder wheel provides kids with more than 20 dinosaur-themed code puzzles to play on the go.

Each activity in the book challenges kids to think creatively, while building their confidence. Perfect for dinosaur lovers, readers will also be delighted to find dinosaur fun facts, jokes, and tongue twisters, colorful dinosaur art, and more. Packed with hours of fun, Dinosaur Code Crackers will keep kids busy on trips, in waiting rooms, and during other moments of downtime.