Welcome to our store! FLEXIBLE AND REMOVABLE: The triangular prism is made of excellent optical glass, and the prism part can be detached for individual use. ACCURATE AND EFFECTIVE: Precise cutting provides good reflection and light splitting, with a bracket, convenient for changing the prism angle. APPLICABLE SCENARIO: Prisms can be used in the teaching of physical spectrum as well as scientific experiments involving spectrum, which are necessary units for preschool and elementary school to learn science and high school to study light dispersion and refraction. A FUN EXPERIENCE: Prisms are ideal for use as teaching tools in classrooms in schools or as intellectual development games for children. Let children get the initial light sensation refraction experience, stimulate children's curiosity and exploratory heart. REFRACTING COLORS: Optical glass triangular prism refracts 7 colors, red, orange, yellow, green, indigo, blue and purple. Item Type: Optical Glass Triangular Prism Material: Plastic Bracket, Optical Glass Prism Bracket Color: Black Package List: 1 x Triangular Prism 1 x Stand Satisfaction Guarantee: Customers are our top priority. If you find any problem with the product, please contact the seller immediately. We strive to provide satisfactory customer service.