http://www.elenco.com/snapcircuits.html http://www.elenco.com/snapcircuits.html This is what you need. There's various 100-in-one or 500-in-one kits, you get a

http://www.elenco.com/snapcircuits.html http://www.elenco.com/snapcircuits.html This is what you need. There's various 100-in-one or 500-in-one kits, you get a big bag of parts some instructions and you can start making all kinds of cool things. Also great if you have kids.