A sound energy generator produces sound that can affect some things. Its because sound is a form of energy and can make things move or shake. This sound is like air bursting out off the hole of this contraption, this 'air' travels on a straight line for lust a few distances (the bigger the generator, the farther the air travels)
Step 1: MATERIALS
The materials.... You need a cardboard cylinder with lid (like a can of potato chips or some thing like that), plastic or cloth, tape, and cardboard (optional). You also need scissors.