I have teh UFO one of those.. its crazy fun to use on unsuspecting people. Hover it outside a window where you know someone is sleeping off a night of being over-served....
They are supposedly available via Amazon:
[ame=http://www.amazon.com/Swimmers-Remote-Control-Flying-Clownfish/dp/B005FYCBR6/ref=sr_1_1?ie=UTF8&qid=1314058251&sr=8-1]Amazon.com: Air Swimmers Remote Control Flying Clownfish: Toys & Games[/ame]