What to do:

1.) Place your bottle on the table and remove the cap.

2.) Carefully pour 4 tablespoons (or more depending how big your bottle is) of vinegar into your bottle.

3.) Use the funnel and put 1 teaspoon of baking soda into the balloon. If you don't have a funnel you can make one using paper and some tape. (Check the "Extras" page to find out how to make one.)

4.) Now carefully put the neck of the balloon all the way over the bottle without letting any baking soda into the bottle.


5.) Now Lift the balloon completely upright so that the baking soda falls from the balloon into the bottle and mixes with the vinegar.

The balloon will inflate after both the baking soda and vinegar mix.