Triangular Prism K9 Optical Glass for Teaching Tool Gift(20 * 20 20)

Decoration or A Teaching Tool--Beautiful and unique design, it can be used as a decoration or a teaching tool. K9 Optical Glass--High quality optical glass prism, made of K9 optical glass with better refraction. A Gift for Kids--The delicate optical glass triangular prism can be given as a gift to your children. Different Color Rendering--There will be completely different color rendering from different angles at the same environment. White, Red, Green and Blue Four Lights--Optical glass RGB prism, there are four lights, one of the white light from the lighting surface, the remaining three light from the three primary colors red, green and blue, respectively three base light., Manufacturer: Walfront