Weigh them or measure them! Brightly colored interlocking plastic cubes each measure one cubic centimeter and weigh one gram. Set includes 1000 cubes in 10 different colors. Plastic cubes that measure 1 cm3, have a mass of one gram, and displace one milliliter of water. Cubes can attach on several sides to form larger cubes or other objects. Ideally suited for demonstrating mathematical concepts, weighing, measuring, doing volume/density experiments, etc. Kids also love to build structures with them and use them for color pattern puzzles.
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