Description: Material: Light Reflection and Refraction Science Experiment Set is made of pp material to ensure sturdy and practicalityAdjustable light source: Physics Optics Experiment Set has a three way linear light source that can be adjusted with a screwdriver to change the direction of light, providing a learning experienceComprehensive optical experiments: Class Demonstration Tool allows students to various aspects of optics, including light refraction and lens refraction through convex and concave lensesEducational tools: Educational Toy will help your children gain a deeper understanding of physical optics and make learning easierEnhances Learning Experience: The Optical Experiment not only teaches the principles of physics but also stimulates curiosity and interest in scientific exploration. It helps students visualize complex physics concepts, making learning interactive and engaging Size Chart: 25.5x11.5x9cm/10.04inchx4.53inchx3.54inch Package Includes: 1 Physics Optics Experiment Set