Colorful plastic cubes which measure one cubic centimeter. Displays are one millimeter and weigh one gram. Each cube has three receptacles and one fitting so that a chain or structure can be created using various colors and configurations. Designed to help teachers introduce the metric system of measurement. You and your students will find many ways to use Cube-O-Grams including determining conservation of mass, factoring, squaring fractions, sets, Pythagorean Theorem, commutative and associative properties, and many more.