How to Build a cereal box spectrometer

The Five Minute Project crew is back, and bringing you six fresh projects sponsored by Craftsman. Break out the tools and protective eyewear and brace yourself for the best how-to videos a DIY-er could ask for. Learn to make Geek-Chic Cuff Links, a Cereal Box Spectrometer and more, all in Five Minutes Time!

Satisfy your scientific curiosity and your craving for some Frosted Flakes. Editor Mike Haney shows you how to use an old cereal box and a CD to build a device that reveals the hidden rainbow inside any light source. Find more examples of DIY spectrometers over at Wikipedia.