Fizzy Sensory Play

Do you have a little one who loves to get their hands dirty? If so, here is a fun opportunity to experiment with baking soda and vinegar to make a huge fizzy mess! Watch for the reaction between the acid (vinegar) and base (baking soda) that produces the giant cloud of fizz and foam.

  1. Ages: 5 - 11

  2. <30 minutes

  3. Messy

Step-by-step tutorial

  • Step 1

    Mix the flour and baking soda in the tub or bowl. It's safe to use your hands!

    Photo reference of how to complete step 1

  • Step 2

    Measure a half cup of vegetable oil and use a straw to add a couple drops of food coloring to the oil. Mix well. Note: the color will appear a lot darker in the oil than the final color when mixing with the dry ingredients.

    Photo reference of how to complete step 2

  • Step 3

    Add the colored oil to the bowl. Use a large spoon to mix the ingredients. Note: the food coloring may leave temporary stains on your hands, so use a mixing tool to avoid unwanted color on your hands.

    Photo reference of how to complete step 3

  • Step 4

    Play with the dough to form shapes or a scene! If you like, use cookie cutters or molds to help get you started.

    Photo reference of how to complete step 4

  • Done!

    Fill a spray bottle with vinegar. Spray the dough gently and watch how the vinegar reacts to form fizz!

    Photo reference of how to complete step 5

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