This equilateral prism has 50mm sides, making it the perfect size for small hands to handle and explore. With angles of 60 x 60 x 60 degrees, this prism is an excellent tool for teaching young scientists about the properties of light and the science of optics. Whether it's for a classroom demonstration or a hands-on science experiment at home, this prism is a must-have for any budding young scientist. Watch as your kids become fascinated by the world of light and color with the help of this high-quality glass prism. The possibilities for learning and exploration are endless with this essential scientific tool.