Enhance your science teaching tools with our comprehensive optical lens. With a variety of lenses to cover all basic optical experiments, making it ideal for physics classes. The lenses are designed for clarity and precision, ensuring accurate results in every experiment. Features -Color:Assorted Color -Material:Acrylic -Size:6.00X3.00X1.00cm/2.36X1.18X0.39in - Designed to teach optical principles, enhances student engagement and deepens their understanding of light behavior. - The material is safe and light, which is wear resistance and practical for the lasting time use. - With different shapes, they can meet the requirements of different experiments. - They better consolidate knowledge, a deeper understanding of the propagation of light. - Ideal for a variety of physics and science experiments, offering a hands-on tool to learning. Package list: 1 x semicircular lens 1 x equilateral triangular lens 1 x biconcave lens 1 x biconvex lens 1 x convexo-plane lens 1 x planoconcave lens