contraption

Boy turns knob on mechanical contraption and flicks a wheel. The…

Professor Oakes uses a contraption to fill a balloon with air from…

Commerical for Ohio Bell phone company; a man stares at his cuckoo…

CU of candle. A shot of a contraption. A rod pokes the contraption and…

Man rides bicycle that turns into a climbing machine, he uses the…

Man rides a bicycle with a propeller contraption strapped to his back…

Man wears motorized roller skate contraption on back and roller skates…

Woman demonstrates finger devices designed to let you smoke a cigarette…

Man straps roller skate contraption to feet and pumps up the skates.…

Women demonstrates neck brace invention designed to keep people from…

Man rides down the street in a motorized wheel invention.

Man demonstrates a spaghetti spinning invention. A motorized fork spins…