- Teaching tool:to the understanding of refraction and reflection of light,Optics Demonstrator
- Teaching device:should be , do not , and store in a cool dry place after use,Teaching
- Light refraction reflection demonstrator:suitable for physics teaching, demonstrating the law of reflection of light and the law of refraction,Refraction Demonstrator
- Teaching instrument:this set of optical experiment apparatus is made of , and practical,Teaching Demonstrator
- Laboratory equipment:lightweight and compact, very convenient for you to carry.,Light Reflection Refraction Demonstrator