ETA hand2mind Multi-Sided Linking Cubes in a Tub (Set of 300) Includes 300 plastic linking cubes in 10 colors (red, white, green, blue, yellow, orange, brown, black, dark green, and pink) and storage container Easy-to-manipulate cubes connect on all six sides Perfect for sorting, classifying, patterning, counting, basic arithmetic operations, and problem-solving activities Each cube measures 2-cm