About This

• Light spectrum tool--should be , do not , and store in a cool dry place after use,teaching demonstrator
• Triple prisms--adopting from glass material, which is lightweight and ,glass light spectrum tool
• Refraction demonstrator-- and suitable for school classes teaching tool or as intellectual development for ,teaching optical demonstration prop
• Light refraction demonstrator--lightweight and compact, it is very convenient for you to carry, also, a great addition to your laboratory supplies,laboratory equipment
• Teaching tool--it is safe, no harm to human health, you needn't worry about its safety,teaching refracted prisms