The physics optical experiment kit can be used for reflection, refraction, light , and focusing. The physics optics experiment equipment is easy to assemble and operate, making it suitable for independent learning and experimental operations by students. Features -Color:Assorted Color -Material:Plastic - Size: 15.30X13.50X1.00cm/6.01X5.31X0.39in -This physics science optical experiment set includes a variety of optical components such as reflectors, lenses, and light sources. -The materials used in this physics science optical experiment kit is plastic and the construction is precise, ensuring accurate results. -Suitable for use in schools for studying optics principles, easy to and operate, even for beginners -By providing hands-on experience, this physics optical experiment set allows for a deeper understanding of optics principles -These science classroom optics kits are widely applicable for classroom teaching, and make learning easier and more enjoyable </div Package list: 3 x Biconvex Lens (3 styles) 1 x Concave Lens 1 x Acrylic Glass Tile 1 x Convex Lens 1 x Double Concave Lens 1 x Triangular Prism 1 x Three Way Linear Light Source 1 x Reflector 1 x Small 1 x packaging box