Description_x000D__x000D_The item is an optics experimental equipment, with material, durable and portable. It's a demonstrator for light reflection, deepen students' understanding of light reflection. Improve students' practical ability and thinking ability._x000D__x000D_Features_x000D__x000D_- Color: White._x000D_- Material: Plastic._x000D_- Size: 10.50X7.00X3.00cm/4.13X2.75X1.18 inch._x000D_- Simple operation to improve the teaching interest. Suitable for physics classroom use._x000D_- Visually demonstrate the principle of light reflection to make it easier for students to understand._x000D_- Due to the simple design, it makes the experiment easier to operate._x000D_- Reflection, diffraction, and refraction kit for study of how light travels_x000D_- Experiments with instructions for hands-on learning. Put education in fun, cultivate scientific knowledge.Packing list1 x Demonstrator