This kit is pretty cool -- you can make your own Roland TB-303 clone. What's a TB-303 you say? It's the little box that makes the bass line for all that cheezy Acid electronic music from the early 90's. If you ever wanted to have a musical box to fiddle around with that makes cool sounds and allows you to tweak around with it without much skill and still make an interesting noise, this is exactly what you're looking for. :)