Hello, I reckon you cauld get free eclecricty from hamsters by connecting a litte generator to their wheel sometimes they run on it really fast.I got the idea of that bloke who made a wind up radio, I think he was called Jeremy Dyson or something.I dont think you will get much electrity but maybe enough to make a radio or a lighht work I, havent quite figured out exatly how to do it yet but I will think about it in the nect few days,If anybody knows about this knd of thing pleese let me know.kohn