i seen this on the show called recess once where guess "barrowed" one of his dads flyable airplanes with out his permission and it was tethered
i figure somthign liek this
http://www.parmahobby.com/images/photoslarge/otherclflightbasicsnl32.gif
as i seen on the tv show would be fun to try out spechily for some one who is learning the idea of flying or for some one testing a airplane