_x000D_ K9 Optical Glass Right Angle Reflecting Triangular Prism For Teaching Light Spectrum _x000D_ _x000D_ _x000D_ _x000D_ Features: _x000D_ _x000D_ Make a Rainbow by Refraction Easily - It produces rainbows using direct sunlight and can also be used for some cool photography effects! _x000D_ _x000D_ Cool Science Experiment You Can Do at Home - 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. _x000D_ _x000D_ Trying the Instagram Rainbow Trend - Using a prism in front of your lens can really make a vivid large rainbow across your face. It will be nice to add to your photography supplies. _x000D_ _x000D_ Makes a Great Gift - Most people at age would have a lot of fun playing with it. _x000D_ _x000D_ _x000D_ _x000D_ Specifications: _x000D_ _x000D_ Material: K9 Optical Glass _x000D_ _x000D_ Size: 14x14x80mm/0.55x0.55x3.15" _x000D_ _x000D_ Quantity: 1 Pc _x000D_ _x000D_ _x000D_ _x000D_ Note: _x000D_ _x000D_ Please allow 1-3mm error due to manual measurement.pls make sure you do not mind before you bid _x000D_ _x000D_ Due to the difference between different monitors, the picture may not reflect the actual color of the item.Thank you! _x000D_ _x000D_ _x000D_ _x000D_ No Retail Package _x000D_ _x000D_ Package Contents: _x000D_ _x000D_ 1 x Triangular Prism _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_