Optical Prism Six-Sided Rainbow Cube
Why settle for a boring old prism? This optical prism cube makes it easy to put on a colorful display of rainbow colors. No need for a prism to create a rainbow display, you can simply point your device at the optical prism cube for an instant rainbow effect. The great thing about the cube is that you can move it. Change the angle or position to make it easier to see the rainbow. The cube is made of optical glass, so it won't break easily. Measurements: 3/4"X3/4"x3/4"