This is a cool little machine that I found just browsing the web. I hope to make this soon. Everything I'm describing here is from http://www.evilmadscientist.com/article.php?story=bristlebot, so I take no credit for this. Basically, you take a toothbrush head, a dc motor, and a battery. You put it all together and voila!
Very nice idea. Hope to see your creation soon. Good luck.
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