Three Way Linear Light Source Direction can be adjusted with a screwdriver to control the light beam angle for precise experiments. Optical Experiments Supports exploring refraction of light and lens refraction concepts. Suitable for demonstrating how light changes direction when passing through different lenses. Lenses and Tool Kit Lenses are sturdy and safe to use. Includes a practical teaching tool kit for classroom or selfguided learning. Package Includes Biconvex Lens; Single Concave Lens; Glass Tile; Double Concave Lens; Triangular... Key Benefits Clarifies fundamental optics concepts through handson adjustment and observation. Safe, durable components that are suitable for teaching environments. Flexible setup with multiple lens types to demonstrate common optical phenomena. Use Scenarios Classroom demonstrations to illustrate lens behavior and light refraction during lesson plans. Home science experiments for handson optics exploration and concept reinforcement. Student project work for physics assignments or science fair preparations that require practical optics demonstrations.