Making a paper "screamer" is a simple DIY project that uses air vibration to create a loud, high-pitched noise. No software download is required, as it only uses basic physical materials. How to Make a Paper Screamer
: Use scissors to cut a small half-inch slit along the center of that fold. Screamer Free Download
: Place your mouth against the paper and blow firmly. The air rushing through the slit will cause the paper to vibrate rapidly, creating a loud "screaming" sound. Alternative: The Paper Popper Making a paper "screamer" is a simple DIY
You can create this loud toy in seconds using a small scrap of paper. Screamer Free Download