DescriptionThis physics optics teaching concave lens set is made of premium material, safe and durable. It can help students learn and understand more specifically how to find the principle of physical optics. Thus, students can understand this physics principle faster.Features- Color: Mainly black. - Material: Plastic. - Size: 14.00X7.50X7.50cm/5.50X2.95X2.95inch.- It is made of good quality material, durable and safe, excellent and great, serving for long time. - The product is well polished and does not hurt hands when used, reliable and safe for kids and students. - Light weight and portable, the optical concave lens set is easy to carry and convenient for storage.- This item is physical optics experiment model, which is good tool for teaching, handheld design is convenient, with bracket, simple for display. - Excellent and great tool for students learning about properties of light, educational and funny.
