Optical Glass 2cm X Cube Prism, RGB Dispersion Prism for Physics and Decoration with Storage Box

Material: Optical glass Size:20mm*20mm*20mm (Pay attention to the size, it's small.) It's a nice demonstration of beam splitting and color combinations. This product is a craft that can only be used in optical experiments and science recognition. It cannot be used in projectors and cameras. With the storage box, the prism can be protectd from scratch and dust., Manufacturer: YYMax