HEXBUG feels its way around sensing objects in its path and avoiding them. And they can hear! You control where they scurry through a hand clap, loud noise or table slap. They come in five distinct shapes and colors. The trick is for you to catch them all.
Each costs $4.50, and you can pick up a case for $150 (they are being used by schools for fund raising).
Who wants to split a case and take over the world?