Six times the fun! Mudpuppy Block Puzzles challenge kids to think in multiple dimensions. Each puzzle contains 9 2" cubes that create 6 different puzzle pictures. Great for building and stacking and knocking down, too. 9 colorful 2" cubes - 6 picture puzzle possibilities - Sturdy storage box with a sliding drawer. Puzzle greyboard contains 90% recycled paper. Printed with nontoxic soy-based inks. CE and ASTM tested for safety. For ages 3+.