Size: 14x14x80mm / 0.55x0.55x3.15 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 Makes a Great Gift Most people at age would have a lot of fun playing with it Trying the Rainbow Using a prism in front of your lens can really make a large rainbow across your face It will be nice to add to your photography supplies Make a Rainbow by Refraction Easily It produces rainbows using direct sunlight and can also be used for cool photography effects, Manufacturer: Tsophreniq