Description: 【Master Physics Optics Easily】: This Junior High School Physics Optics Experiment Box is designed to clearly demonstrate the phenomena of light refraction and reflection. It vividly shows how the direction of light changes when it moves from medium to another, causing deflection at the of different mediums, as well as how light changes its propagation direction and returns to its state when it reaches different materials 【Material】: The experiment box is made of PP material that ensures long term use and withstands regular handling during experiments 【Product Dimensions】: The packaged product measures 360x220x130mm, making it compact enough for easy storage and transportation 【Complete Set】: Each package comes with a complete set of the experiment box, providing all you need for a comprehensive understanding of geometric optics 【Educational Tool】: This teaching demonstration tool is great for junior high school students studying physics optics, making complex concepts easier to understand through hands on experiments Size Chart: Package Size: 36cmx22cmx13cm/14.17inchx8.66inchx5.12inch Package Includes: 1 Physics Optics Experiment Set