- SPECIFICATIONS: 100% Brand New & High Quality - Color: Transparent - Material: Transparent Glass - Weight: 6. 4 Ounces -Total Length: 6 inches / 150mm - Side Length: 1. 18 inches / 30mm PRODUCT FEATURES: √ Show your kids a rainbow! √ Optical glass triangular prism rainbow maker for birthday gifts, science experiments teaching light spectrum physics or photography. √ You can explain to kids that light is actually made up of a spectrum of colors and talk about how rainbows form and then cement the information with a demonstration. √ The optical glass can create bright and beautiful rainbows by splitting beams of light into different spectral components, good for teaching about color spectrum in physics course. Package Content: √ 1 x Optical Triangular Prism √ 1 x Carrying Case Note: Please click and add to cart now! Get our Optical Glass Triangular Prism Immediately! Explore the magical optical theory together!