(Click image for larger view of the item)
Dimensions: 1.6" x 1.7" x 1.7"
Description: NanoBlock are complex puzzles that induce cognitive skills during play. Made from high-quality durable green material, NanoBlock are flexible and won't damage easily. NanoBlock have non-toxic and non-corrosive particles, and their smooth surface is designed specifically for children. Rounded corners make them kid-safe.