So, I bought my first tool the other day. I bought a Dremel Tool and it's amazing:

It can drill, grind, sharpen blades, cut, clean, polish, sand, rout, carve, engrave, and do the same job as a RotoZip. It came with a good range of tips allowing me to do most everything, and only specailized areas(such as engraving ceramic.... and stuff like that) were left out.

The reason I bought it:
I am currently building an iguana tank for Lee's science department. While they are paying for the materials, we lacked the tools to do the job. I thought about it and decided that it would be something I would use in the future as well so I bought this tool. I am using it to cut wood and tile, clean the glass (because a scraper wasn't working), sand, and cut screws off (some are sticking out of the wood here and there). It can do it all.... and if you don't have the tip you want for it then the tips cost about $2-$5...

I'm pretty excited about it. I've been messing with it all afternoon.
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On another note, I got a 95 on my last math test :-)