What you need:
- Mint candy
- 2 liter bottle of soda
How to do it:
- Place your mint candy into a balloon.
- Put the bottle of soda into a pan and then open the cap on the bottle of soda.
- Secure the balloon on the opening of the bottle of soda (don't let the candy fall in to the bottle yet).
- Lift the balloon up and let the candy fall into the bottle of soda.
- The balloon will fill up with carbon dioxide and inflate.