Triangular Optical Prism - Make a Rainbow

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Rainbows always appear after the rain and it is always a sight to behold for kids and adults alike. But what if it doesn't rain, will that make you not see a rainbow? Worry no more for this Triangular Optical Prism will always allow you to see the colors of the rainbow whenever you feel like it. This Triangular Glass Prism is a transparent, triangular device. As light passes through a prism, the light bends due to the process called refraction of light taking place. It is ideal for light/optics experiments and educating students about light properties. Size Chart XS: 3 x 3 x 6cm (1.18 x 1.18 x 2.36 inches) S: 2.5 x 2.5 x 8cm (0.98 x 0.98 x 3.15 inches) M: 3 x 3 x 10cm (1.18 x 1.18 x 3.94 inches) L: 3 x 3 x 15 cm (1.18 x 1.18 x 5.91 inches) XL: 4 x 4 x 18 cm (1.57 x 1.57 x 7.09 inches) Material: Bk7(K9) optical glass, NOT plastic Package Included: 1x Triangular Prism Specifications: Weighs 0.22 lbs - 0.5 lbs Made out of Bk7 optical glass. The prism breaks light passing thru it into all the colors of the rainbow. Show more