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Blowing a Balloon up with Baking Soda & Vinegar

We had a lot of fun blowing up a balloon with vinegar and baking soda. It was a great STEAM project and I really enjoyed watching the kids’ reactions. Henry thought it was great and was thrilled with the outcome, while Lilly Ann was quite apprehensive the first time. She liked it better the second and third round but her reaction the first time was just so funny.

A friend has a two year old as well and she loved blowing up a balloon with baking soda and vinegar. It’s funny how kids react differently.

I know at this point you’re ready to get this going so you can see your child’s reaction. It’s actually really quick and easy and you probably have everything you need on hand.

What you’ll need:

  • Baking Soda

  • Vinegar

  • A funnel

  • An empty water bottle

  • A balloon

How to blow up a balloon:

  • Fill an empty water bottle 1/3 of the way with vinegar.

  • Blow a little air into a balloon just to get it to stretch a bit. Then let the air out.

  • Wrap the top of the balloon around a funnel.

  • Pour baking soda through the funnel filling the balloon about 1/4 of the way.

  • Take the balloon off the funnel.

  • Wrap the top of the balloon around the top of the water bottle making sure not to let any of the baking soda in yet.

  • Lift the balloon straight up allowing the baking soda to fall into the water bottle. Keep holding the balloon loosely so it doesn’t fall over like ours did the first time. Enjoy the excitement of blowing up a balloon with baking soda and vinegar!

How did your kids like the experiment of blowing up a balloon with baking soda and vinegar?

Share your experience in the comments below.

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