the fan blows air into the 'skirt' inflating it. Then it is hovering and can move around as if on ice.
airplanes are the same thing as hovercrafts... but only hovercrafts have a louder engine
hovercrafts
yes
on a cushion of air
Why are you asking where to find hovercrafts? But I would have to say, that scientists are trying to build some, or aliens are, but you should have known that already.
yes.
6 inches
4 ft
Very good conditions!
walk
They both fly I think 
yes.are you stupid or .......?this is my question to you.