This video shows how to make a paper "popper" that you can use to make a loud popping noise. Start with piece of paper. first fold it in half the skinny way, then fold it in half again the other way. Set the paper down on a table or flat surface so that the flaps of the paper make an "M" shape. Now take the paper in your hands and grab the outer sheets of the "M" with the index finger and thumb of your right hand. Pull the inner sheets out with your other hand. Take the popper in your right hand and move your arm down in a fast slicing motion. The air pressure will build up inside the folds of the paper forcing the folds out, making the loud popping noise.
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