Toy but incredibly cheap now. Also, the issue of supporting cloned technology is raised in the comments.
6:58 AM Aug 10 2012
Wait, is that four propellers?!
8:57 AM Aug 10 2012
yep... it does flips too
11:34 AM Aug 10 2012
Balloon Desk!!
Weaponized LEGOS!
The Robot Factory Future - Video Library - The New York Times