How to build a Balloon Rocket. Please always ask for the permission and help of your parent/helper.
Follow these easy steps to make this balloon rocket.
You will need:
1. fill the bottle with vinegar.
2. stick card on the balloon to make it look like the rocket’s tail fins.
3. Add bicarbonate soda into the bottle very quickly put the balloon on the rim of the bottle watch the liquid rise and your balloon expand and your rocket launch.
WARNING stand back!!