With 21 motors and a Web camera for an eye, this skateboard-sized robot is fast moving and fully aware of its surroundings. Which gives many people the heebie-jeebies at first sight, according to creator Matt Bunting. Especially for anyone who is afraid of spiders. Aside from arachnophobes, Bunting said the hexapod is a real attention-grabber that often peaks people's curiosity. - Ken Kaplan