Banger Instant
Fold the model in half once more so that the internal flaps are tucked inside. How to Use It
You can create a basic banger using a single sheet of A4 or letter-sized printer paper. For a louder noise, some guides recommend using thinner paper like newspaper or a page from an exercise book, while others suggest heavier paper like cardstock for increased tension. banger
Lay your paper flat and fold all four corners toward the center line to create a symmetrical shape. Fold the model in half once more so
Fold the paper in half along the length, then fold it in half again widthwise to find the center. Lay your paper flat and fold all four
To make the "bang," hold the thin, pointy ends (the handles) and throw your hand downward in a fast, whip-like motion. This catches the air and forces the internal flaps to pop out with a loud clap.