Introduction: Heres What You Will Need;
Balloon, backing soda, vinegar, and a bottle.
Step 1: First Step.
Take the balloon and fill it up with baking soda fill about half the balloon.
Step 2: Next.
Put vinegar about half way full in the bottle.
Step 3: Following.
Put the balloon over the lid of the water bottle and let the baking soda drop into the bottle.
Step 4: Lastly.
Watch the balloon fill up with co2.
Comments
10 years ago on Step 4
Um..... Did you know you named the instructable, "Heres what you will need;" I think you would want that to be the page title, not the 'ible title. You should call the 'ible something like, "CO2 Project "