In Write-On Wipe-Off My First Dinosaur Hidden Pictures by Highlights, little ones will be introduced to their first puzzle experiences, with more than 25 fun and amusing dinosaur Hidden Picture puzzles. The dry-erase marker allows for your child to do these puzzles over and over again. These enjoyable puzzles have been designed to help your little one develop visual perception and problem-solving skills. Spiral Bound, 56 pages. Ages 3-6.