This optical experiment kit is designed to support handson learning in physical optics. It provides the basic components needed to demonstrate refraction, convex lens behavior, and lens refraction, making abstract concepts easier to observe and understand. Key benefits Builds practical understanding: Allows students to see and experiment with refraction, focusing, and beam deviation rather than relying solely on theory. Straightforward setup and control: The included Three Way Linear Light Source lets you direct light precisely by adjusting its direction with a screwdriver, enabling repeatable demonstrations. Versatile teaching tool: Useful for classroom demonstrations, laboratory exercises, and individual study to reinforce lessons on lenses and prisms. Package contents and attributes Biconvex Lens: Glass lens for demonstrating converging behavior and image formation. Single Concave Lens: Lens for demonstrating diverging light rays and virtual image formation. Glass Double Concave Lens: Additional concave option for comparative experiments in diverging optics. Triangular Prism: Glass prism for studying refraction through angled surfaces and beam deviation. Three Way Linear Light Source: Adjustable light source; direction of the beam is changed using a screwdriver to suit different setups. Material and performance Lenses and prism made of glass to provide clear, consistent refraction and reliable optical effects. Components support a range of basic refraction experiments, including comparisons between convex and concave lenses and analysis of light path changes through a prism. Practical use scenarios Classroom demonstration: Show how a biconvex lens focuses parallel rays to form a real image, then compare with concave lenses to illustrate divergence and virtual images. Student laboratory: Set up measurements of ray angles and observe Snell law relationships by directing the adjustable light source through lenses and the triangular prism. Science fair or project work: Build simple optical experiments to document image formation, magnification, and beam deviation for reports and presentations. Who this is for Teachers and instructors seeking durable, easytouse optics components for demonstrations. Students learning foundational physical optics concepts. Hobbyists and makers exploring basic optical experiments. The kit supplies the essential glass lenses and prism plus an adjustable linear light source to conduct clear, repeatable refraction and lens experiments.