Forceful

Some things just never run out of cool. Take magnets for instance. Who could ever get tired of playing with them? Even the guy on Mythbusters loves them. He actually has a licsense to get the really extra powerful ones that could take your hand off if you aren't careful. Personally I could see that as being really fun, but I can't imagine a real use for them besides just goofing around. Besides, I like my hands. So what else can you think of that never runs out of cool?