Features: Discover the fascinating principles of light refraction with our Clear Semi Circular Refraction Water Tray, essential tool for physics optics experiments. Crafted from pp, this refraction water container allows clear observation and study of light propagation, featured semi circular designs for intuitively understanding. Suitable for physics teachers, students, and enthusiasts interested in optical experiments. Widely used for school physics laboratories, research institutions, or home education setting to conduct educational demonstrations, scientific exploration, or learning. Enhancing your understanding of optical phenomena with this physics teaching aid, designed to make complex concepts accessible and engaging. Specifications: Color: Clear Component: PP Size: Approx. 7.8x3.9x3.50cm/3.07x1.54x1.38in Weight: Approx. 60g Package Includes: 1Piece Refraction Water Tray 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