DescriptionThis item is a in the shape of cube. White light coming in from one side gets split into three colors, each exiting from a different side of the cube. Mine looks almost perfect to the naked eye. Suitable for non-professionals to make some experiments for explaining the basic theory of light. A necessary equipment for science class of kindergarten, primary school , junior high school and high school.Features- Color: As shown. - Material: Glass. - Size: About 2x2x2cm. - Precise cuttings, offer good reflections and color seperation. - Suitable for DIY gift making, desk ornament, home decor. - Can be used as teaching tools or research tools and decorations. - It may improve children's interest of natural light and help them to discover some interesting phenomena. - Children can get the initial experience of the refraction of light perception and stimulate their curiosity.