S and I are both HUGE fans of baking soda and vinegar.  I was trying to think up a new way to play with it, and decided to see what it would do if I threw gelatin into the mix.  Turns out, it's really fun (at least we think so!).

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To make fizzing gelatin, you'll need:

Gelatin (I bet you could use Jello, too)

Baking Soda

Vinegar

Food Coloring/Colorations Liquid Watercolors (optional)

When you are making the gelatin, just make sure to dissolve a hearty amount of baking soda in the hot water step (for the Solo cup sized portion of gelatin pictured, I dissolved somewhere between 1/2 to 3/4 cup).  Not all of it will dissolve - that's OK.

Refrigerate as normal, remove from whatever mold you've used (we used plastic Solo cups) and you're ready to add vinegar!

We added about a cup of vinegar all at once.

If you press your hands down, it feels like Pop Rocks!  It's so fizzy.  The gelatin slowly releases the baking soda, so it kept on fizzing for a long time (for more than 5 minutes!)

If you squeeze a handful of the gelatin, little pieces hop out of your hands.

It's such a bubbly, fizzy sensory experience, we really enjoyed it as a variant on our traditional baking soda and vinegar play.

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All activities here are activities I feel are safe for my own children.  As your child's parents/guardians, you will need to decide what you feel is safe for your family.  I always encourage contacting your child's pediatrician for guidance if you are not sure about the safety/age appropriateness of an activity. All activities on this blog are intended to be performed with adult supervision.  Appropriate and reasonable caution should be used when activities call for the use of materials that could potentially be harmful, such as scissors, or items that could present a choking risk (small items), or a drowning risk (water activities), and with introducing a new food/ingredient to a child (allergies).  Observe caution and safety at all times.  The author and blog disclaim liability for any damage, mishap, or injury that may occur from engaging in any of these activities on this blog.