Welcome to our store! Our optical glass triangular prism has a delicate appearance, making it a perfect gift or a tool for studying spectra in scientific experiments. It can also be used in photography to achieve unexpected effects. You can use this prism to explain to children that light is composed of a series of colors and show how rainbows are formed. This can be a great educational tool. Our optical glass prism is made of 100% quality K9 optical glass, ensuring better refraction and clear reflection. It can create bright and beautiful rainbows by splitting light beams into different spectral components, which is beneficial for teaching chromatography in physics courses. The rainbow light displayed by the glass prism can be used to achieve unique photographic effects and can also be used as a filter for camera lenses. Specification: - Material: K9 Optical Glass - Size: 30 * 30 * 60 mm / 1.2 * 1.2 * 2.4 inches Package includes: - 1 x Triangular Prism - 1 x Gift Box 100% Satisfaction: Our customers are our top priority. If you find any product problems after receiving the item, such as damage and incorrect quantity of goods, please contact the seller immediately. We will do our best to provide you with satisfactory customer service.