What is a CMY Cube? CMY Cubes use primary colors Cyan, Magenta & Yellow (CMY) and are created to help view life & light through a different lens. A truly unique and interactive toy, the CMY Cubes will keep children and adults engaged and entertained for hours. This fascinating cube appears to create an ever-changing spectrum of color, providing you with endless enjoyment. Each face of the translucent cube is coated in electromagnetically subtractive materials which at first, appear as cyan, magenta, or yellow. With a twist and turn of the geometry, these seemingly primary colors magically transform into an array of colors. How many colors can you create?