Interlocking Gram Unit Cubes – 1,000 Pieces

6 years & up. Interlocking 1cm unit cubes are great for measurement, base 10, linear, and mass activities. Each cube has 3 interlocking sides, 2 smooth sides, and 1 connector side. Cubes measure 1 cubic centimeter and weigh 1 gram each. Set of 1,000 cubes come in 10 different colors and a storage bucket.