Screamer Free Download ◎

: Fold the paper strip in half so the two short ends meet, and crease the fold.

: Use scissors to cut a small half-inch slit along the center of that fold. Screamer Free Download

If you want a "screamer" that makes a loud bang rather than a high-pitched whistle, you can follow a Paper Popper tutorial which typically uses a full sheet of A4 or printer paper. Printable Templates and Resources : Fold the paper strip in half so