Add to the versatility of GeoCubes® with this set of 100 equilateral triangles in 10 colors. Like GeoCubes®, these equilateral triangles are designed so that all of the peg sides of cubes can be concealed to create a flat surface, allowing for perfectly symmetrical geometric figures. Perfect for exploring: symmetry, geometry, area, volume, spatial awareness, measurement, operations, fractions, patterns, and creative play. GeoCube® Equilateral Triangles connect and separate with ease, making them great for all types of problem solving.