 All six of the shapes (green triangles, blue (thick) rhombi, red trapezoids, yellow hexagons, orange squares, and tan (thin) rhombi) are applied to make mosaics.Interlocking cubes (also known as Unifix₢ Cubes) are usually 2 centimeter cubes that connect with each other from either the top to the bottom or on all sides.Interlocking cubes are also available in 1 centimeter size and also in one inch size to facilitate measurement activities.