You can create a loud, easy paper popper using a single sheet of .
: Fold that same section down again 3–4 more times until you have about 2–3 inches of paper remaining at the bottom. pop_design_somebody_called_me_tonight
: Grip the bottom corner of the bar (not the flaps) and thrust your arm downward quickly. The air will force the flaps out, creating a loud snapping sound. Scientific Principle You can create a loud, easy paper popper
The sound is caused by a rapid change in air pressure. When you thrust the popper down, air gets trapped in the pockets. The force pushes these flaps out at a high velocity, creating a that we hear as a pop, similar to popping a paper bag. The air will force the flaps out, creating
If you are looking for more decorative or "pop-up" designs, you might consider these alternatives: Hey Ray: Paper Popper Noise Makers
: Hold the corner of the folded bar and pull the outer corner of the paper down. This should create two "pockets" or heart-shaped openings at the bottom.