Simuer 2 Pack Crystal Optical Glass Triangular Prism Refractor for Teaching Light Spectrum Physics and Photo Photography Prism,2", 3" by Amazon.co.uk

• Optical glass material: This prism is made of high-quality K9 crystal, not plastic or acrylic. There is no lead in the crystal we use for our prisms. It is a great size and weight and perfectly formed without defects.

• Show a rainbow: Triangular Prism is useful to split beams of light into different spectral components, which are displayed as the colors of the rainbow.

• Wide application:Our prism can be used in class for teaching children about light spectrum, photography, home or wedding decor or using as a pendant as part of a chandelier.

• Package Includes: There are two size(2 inch and 3 inch) of prism for you, which can meet your different needs.

• International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.