ETA hand2mind 1-inch Wooden Color Cubes with Storage Tub (Set of 100) Help children learn about how to build upwards in a sturdy fashion and other mathematical concepts Excellent for counting, sorting, recognizing colors, and identifying patterns Cubes come in 6 colors (red, orange, yellow, green, blue, and purple) Cubes measures 1" Includes 100 wooden cubes with storage tub