Features: <br>The delicate appearance of an optical glass triangle prism can be given as a gift, used as a tool for studying spectra in scientific experiment teaching, or used in photography to achieve some unexpected effects. <br>You can explain to children that light actually consists of a series of colors, talk about how rainbows form, and then reinforce the message by demonstrating. <br>Optical glass can create bright and beautiful rainbows by splitting light beams into different spectral components, which is beneficial to the teaching of chromatography in physics courses <br>100% quality optical glass, made of K9 optical glass, with better refraction and clear reflection. <br>The rainbow light displayed by the glass triangle prism is applied to the photographic effect and the filter of the camera lens <br> <br> <br>Specification: <br>Material:K9 Optical glass <br>Size: 30 * 30 * 60mm / 1.2 * 1.2 * 2.4in <br> <br>Package list: <br>1 x Triangular Prism <br>1 x Gift box<br>1、The delicate appearance of an optical glass triangle prism can be given as a gift, used as a tool for studying spectra in scientific experiment teaching, or used in photography to achieve some unexpected effects. <br>2、You can explain to children that light actually consists of a series of colors, talk about how rainbows form, and then reinforce the message by demonstrating. <br>3、Optical glass can create bright and beautiful rainbows by splitting light beams into different spectral components, which is beneficial to the teaching of chromatography in physics courses <br>4、100% quality optical glass, made of K9 optical glass, with better refraction and clear reflection. <br>5、The rainbow light displayed by the glass triangle prism is applied to the photographic effect and the filter of the camera lens