1FLEXIBLE AND DETACHABLE: The triangular prism is made of excellent optical glass, and the prism part can be detachable for single use 2ACCURATE AND EFFICIENT: Accurate cutting provides good reflection and light splitting, with bracket, convenient to change the prism angle 3APPLICABLE SCENARIO: Prisms can be used in physical spectrum teaching as well as science experiments involving spectra, which are necessary devices for kindergarten and primary school to learn natural science and high school to study light dispersion and refraction 4FUN EXPERIENCE: Prisms are ideal for use as classroom teaching tools in schools or as intellectual development toys for children. Let children get the initial light sense refraction experience, stimulate children curiosity and exploration heart 5REFRACTING COLORS: Optical glass triangular prism refracting 7 colors, red, orange, yellow, green, indigo, blue, and purple