Use this equilateral prism to split a beam of light into its spectral components (the colors of the rainbow). | Side Length: 1.38 inch / 35mm, Wider than most other prisms on the market. Makes them easier to hold and use. | Show your kids a rainbow, or use our prism for photography to create unique pictures. | Material: Lead free K9 optic glass, not plastic. | With AMLONG CRYSTAL Authentic Brand Logo Box, Fully Protected Package.
Use this triangular prism to split a beam of light into its spectral components (the colors of the rainbow). | Side Length: 1.38 inch / 35mm, More Than Average Width, Stable Handheld. | Show your kids a rainbow, or have photography fun. | Material: optic glass, not plastic. | With AMLONG CRYSTAL Authentic Brand Logo Box, Fully Protected Package.