About This

• Physical demonstrator:it has a simple design, but very practical in use, giving you a ,Light Refraction Demonstrator
• Glass light spectrum tool:it is safe, no to human health you needn't worry about its safety,Teaching Device
• Refraction demonstrator:this optical experiment apparatus is made of , durable and practical,Teaching Refracted Prisms
• Reflection demonstrator:smooth surface, no burr, stable longevity they are not easy to damage,triple prisms
• Teaching instrument:​​​let cultivate interest in learning and grades through practical exercises,Light Refraction Prisms