Features: Discover the principle of refraction and reflection of light with our 3 Way Light Source Magnetic Lighting Device for Physics Optics Experiment, designed to intuitively demonstrate light reflection and refraction principles for engaging educational experience. Crafted from pp and magnets, this 3 deraction lighting source, featuring adjustable lighting angles, allowing for comprehensive exploration of optical phenomena. Very suitable for teachers and students, this educational optics teaching aid enhances learning in physics classes by providing hands on experiments that clarify complex concepts. Great for classroom demonstrations, science labs, or home experiments. Helps students visualize and understand the behavior of light through practical application. This physics optics experiment demonstrating light source is excellent teaching tool for anyone who look to deepen their understanding of optics and inspire curiosity in the field of science. Specifications: Color: White Component: PP, magnet Size: Approx. 7x10.50cm/2.76x4.13in Weight: Approx. 174g Package Includes: 2Pieces 3 Derection Light Device note: 1.Please allow 0-1cm error due to manual measurement. Be sure you donot mind before bid. 2.Due to difference between different monitors, the picture may not reflect the actual color