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Here's a link to the Aero Ace biplane on Amazon. I believe you can get them for about $30 on Toys R Us.

http://www.amazon.com/Air-Hogs-AERO...e=UTF8&s=toys-and-games&qid=1184180048&sr=1-1

The biplane is extremely maneuverable, I (correction, "we") can fly it in our front yard, dodging the cars, trees and bushes. If you want lots of room, the infield on a baseball diamond would be more than adequate. Because they're made of foam, they are extremely rugged. As far as RC helicopters, I've bought a couple Air Hogs Reflex choppers (one as a gift), around $60 apiece. Not as much fun as the plane, in my opinion. But then I haven't tried amusing the kittens yet.

Check out this 51 page thread (yes, fifty-one) on a "professional RC website" regarding the Aero Ace.

http://www.wattflyer.com/forums/showthread.php?t=2453

The Aero Ace has been called "sky crack" with good reason. I know I'm hooked....
 
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