: Use a piece of paper about 1 inch wide and 5 inches long (though exact size isn't crucial).
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 Screamer Free Download
You can create this loud toy in seconds using a small scrap of paper. : Use a piece of paper about 1