You know, sometimes you just wish you could go back to college to take that ONE class... in my case, it would be this one. (This is, of course, assuming I went to MIT, which I did not).
Kids - keep playing with your NXT and learning, learning, learning - the tools (okay, toys) you'll have access to when you get to college/university are going to be beyond anything I was ever allowed to experiment with - the video is funny, but the underlying truth here is that with enough skill and interest, you can make some pretty cool stuff.
More details here.
One More Thing: What would you pay for the chance to take a class called "How to Make (almost) Anything"?