This physics optics lens set is a must-have for any science classroom. The kit includes a variety of concave and convex lenses, ideal for teaching of light and optics. Use these lenses to conduct experiments on light refraction, reflection, and other optical phenomena, providing students with a hands-on learning experience that reinforces theoretical concepts. Features -Color:Transparent -Material:Acrylic -Size:5.90X1.90X0.60cm/2.32X0.75X0.24in -Versatile lens collection: this set includes a variety of concave and convex lenses, providing the tools needed for a wide array of optical experiments -Excellent transparency: made from Excellent acrylic, these lenses offer high light transmission, ensuring clear and accurate experimental outcomes -Suitable for multiple experiments: these lenses are ideal for demonstrating various optical phenomena such as light refraction and image formation in physics classes - and lightweight: the acrylic construction makes these lenses both and lightweight, ideal for repeated use in Teaching environments -Enhances classroom learning: this set is an invaluable resource for science teachers, enabling students to engage in learning and better understand optical concepts Package list: 2 x sets of acrylic lens(8pcs per set)