Ingredients and instructions
1. Find a cereal box.
2. Find some rubber bands.
3. Find some pens (or another material that can prop up the rubber bands).
4. Find some scissors.
5. Cut the sound hole in the box, about ¾ of the way down, and in the center.
6. Place the rubber bands around the box, covering the sound hole.
7. Place the pens (or other materials) under the rubber bands on each side of the box.
8. If you would like, decorate!