Push the button on the key-fob and on the car a small hatch pops open and a balloon on a string wafts up to show you where your car is. Push the button again (or enter the vehicle) and the balloon is reeled back in.
Much more useful than the prevalent remote "chirp" which often seems multidirectional due to the acoustics of a parking garage. Also useful for deaf drivers.-- FlyingToaster, Mar 03 2009 Lost child locator Lost_20child_20locatorSimilar idea. By me, coincidentally! [wagster, Mar 03 2009] Rescue Balloon Rescue_20Balloonand another... popular theme [FlyingToaster, Mar 03 2009] A happy sad ending. The credits roll. The coats and scarves wrap around hurried bodies. Dozens of balloons suddenly take to the air. Quick, Eddie, get the slingshot!-- daseva, Mar 03 2009 + This would also be useful for finding your friends at a crowded festival.-- Zimmy, Mar 03 2009 //balloon backpacks?//top hats. § x1-- FlyingToaster, Mar 03 2009 //top hats.// Yes!-- Zimmy, Mar 03 2009 random, halfbakery