Features Optical Glass Prism - RGB Prism in optical glass, there are four lights, one of the white light from the illuminating surface, the remaining three lights of the three primary colors red, green and blue, respectively three basic lights. Premium Material: High quality optical glass prism, made of K9 optical glass with better refraction. IDEAL GIFT CHOICE: The delicate triangular optical glass prism can be given to your children. Different Color - There will be a completely different color rendering from different angles in the same environment. Feature: 1. Beautiful and unique design, can be used as decoration or teaching tool. 2. High quality optical glass prism, made of K9 optical glass with better refraction. 3. Delicate triangular optical glass prism can be given to your children. 4. There will be a completely different color rendering from different angles in the same environment. 5. Optical glass RGB prism, there are four lights, one of the white light from the illuminating surface, the remaining three lights of the three primary colors red, green and blue, respectively three basic lights. Specification: Condition: 100% brand new Item Type: Prism Material: K9 optical glass Product dimensions: approx. 15x15x15mm/0.6x0.6x0.6 inches, 20x20x20mm/0.8x0.8x0.8 inches (optional) Package List: 1 Prism Package List 1 x Prism