ETA hand2mind 1-Inch Foam Color Cubes with Storage Tub (Set of 102) Includes 102 foam cubes in 6 colors (red, orange, yellow, green, blue, and purple) and a storage container Explore basic mathematic and geometric relationships as they count, sort, and stack these Soft, durable foam for low noise when in use Reinforce color recognition Cubes measures 1"