Designed for science teachers and students, this optical lens kit is ideal for conducting physics experiments. The set includes both concave and convex lenses, allowing users to explore different optical phenomena. Whether you're demonstrating light refraction or conducting a detailed optical experiment, this kit provides all the necessary tools for a comprehensive learning experience. Features -Color:Transparent -Material:Acrylic -Size:5.90X1.90X0.60cm/2.32X0.75X0.24in -Diverse lens types: the set includes multiple types of lenses, both concave and convex, to meet a wide range of experimental needs in physics and optics -Light transmission: acrylic lenses provide high transparency, allowing for precise and clear observations during experiments -Multipurpose use: suitable for various optical experiments, including light refraction and image formation, making it a versatile tool for science education - durability: constructed from Long-lasting acrylic, these lenses are designed to withstand frequent use in Teaching settings -Enhances learning: this set is an excellent resource for science teachers, helping to facilitate a deeper understanding of optical principles through practical application Package list: 2 x sets of acrylic lens(8pcs per set)