Average Reviews:
(More customer reviews)It's an acrylic prism. It works, but it reflects a lot of the incident light. You can use a flashlight and a slit to make a (dim) rainbow with it, but if your slit is too narrow you won't get enough light through it to see anything. If you want a better inexpensive prism for rainbows it would be better to try a glass prism like Prism, Equilateral 3" ~ Glass.
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Polished lucite, equilateral prism splits a beam of light into a multi-colored rainbow or reflects images in wonderful patterns like a kaleidoscope. Perfect for investigating light refraction, dispersion and spectrum experiments. Instructions included. 2.5"
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