In modern DIY culture, a "paper buster" is a simple origami project that creates a loud sound when flicked through the air.

: You only need a single sheet of printer or A4 paper.

Check out these tutorials to learn how to fold and use a paper popper correctly for the loudest sound: How to Make a Paper Popper (VERY EASY!) YouTube · Julien Aerono

: Unlike traditional cap guns, it uses a roll of paper ammunition. When the trigger is pulled, a blast of air bursts the paper to create a loud "bang".