Package List 1 x Optical X-CUBE Characteristics - Size: 10x10x10mm cmy prism cube. - Color: As shown RGB cube. - Material: K9 Crystal optical alignment cube. - Also can be used as children intelligence development toy or art decoration photo prism glass. - Children can get the initial experience of the refraction of light perception and stimulate their curiosity Optical X-CUBE. - Can be used as teaching tools or research and decorations, they are very beautiful optical prism cube. - A necessary equipment for kindergarten, primary school science class, junior high school, high school physical experiment prism. Goods Description optical alignment cube This is one of the most important accessories on the projector, the projector is able to cast shadows of color on the screen, you should know what color light is composed of three primary colors on the screen, color important is formed of three primary colors.glass cube And, that is, from three light in red, green, and blue, respectively the base light, one from the remaining surface emitting white light, which is light.RGB cube Optical Glass RGB Prism, there are four lights, white light in any one of the illuminating surface intake, from the remaining three light shoot out three base colours of red, green and blue, respectively, is said three bases of the light.Dispersion Prism This is light