X-Cube RGB Prism Dispersion Prism,Glass Cube Prism,for Physics and Decoration 3pcs (20 MM)

The X-Cube RGB Prism Dispersion Prism is a transparent optical element used to refract light. It does that by having at least two flat surfaces come at an angle. Features: Material: K9 Cristal Size: 20mm*20mm*20mm/0.8'' x 0.8'' x 0.8" Notice: 1. The color may have different as the difference display, pls understand. 2. Due to all of this prism are defective, Can't use on Projector. 3. Can be use as a Decoration or to Ressarch. 4. Put it under the sun, you can see its brilliant and colorful, given to children as a gift, to cultivate children's interest in science. Package Included: 3 x Optical Glass Prism RGB Prism