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Optical Glass Triangular Prism Compact Triangular Prism for Teaching Light Spectrum Physics Photo Photography Prism Tool
Features: Size: 14x14x80mm/0.55x0.55x3.15 Makes a Great Gift - Most people at age would have a lot of fun playing with it. Make a Rainbow by Refraction Easily - It produces rainbows using direct sunlight and can also be used for some cool...
$7.62 Free Delivery
