Fizzing Sidewalk Chalk Paint!

We love sidewalk chalk. I think the only time our driveway and front steps aren’t covered in chalk is when it’s raining. So fizzing sidewalk chalk makes an already favorite activity that much cooler!

FIZZING Sidewalk Chalk! Sure to wow the kids!

(affiliate links are used in this post)

Holly Homer and Rachel Miller, the authors of 101 Kids Activities That Are the Bestest, Funnest Ever!, created this recipe. Which they include in their book. They sent me a copy and I love it! LOVE it!

Fizzing Sidewalk Chalk Recipe!  The kids will be amazed!

Making Fizzing Sidewalk Chalk

  • Large mixing bowl and spoon
  • 1 box baking soda (1 lb [454 g] box)
  • ½ cup [63 g] cornstarch (cornflour)
  • Warm (almost hot) water
  • Several containers to hold the paint – however many colors you want!
  • Food coloring
  • Paintbrush(es)
  • spray bottle filled with vinegar—1 per child
  • Buckets for cleanup

Mix the baking soda and cornstarch together, add the water and stir, until it resembles pancake batter. Then add the mixture into several containers, along with a couple of drops of food coloring in whichever colors you’d like.

FIZZING Sidewalk Chalk! Sure to wow the kids!

Then get out the paintbrushes and get painting! You can also use spoons to drizzle (and splatter!) the paint. If the paint dries out while you’re still painting, just add water. This washes out of my patio and driveway with no problem, but if you haven’t used a similar recipe before, you should test it first.

Once the painting is over, it’s time for the science! Give the kids the spray bottles filled with vinegar (or turkey basters and a container of vinegar) and watch the fizzing action!

FIZZING Sidewalk Chalk! Sure to wow the kids!

Want to clean up rather than wait for rain! A bucket or two of water should do the trick!

Fizzing Sidewalk Chalk Recipe!  The kids will be amazed!

From 101 Kids Activities by Holly Homer and Rachel Miller, printed with permission of Page Street Publishing June 2014

I’m so happy to have received a copy of 101 Kids Activities That Are the Bestest, Funnest Ever! This is a book you’re not going to want to miss!

EASY fizzing sidewalk chalk! My kids will be amazed!

Thank you for stopping by! Join in our fun by connecting on Facebook and Pinterest.

Holly and Rachel are also running a giveaway, including a copy of 101 Kids Activities That Are the Bestest, Funnest Ever!: The Entertainment Solution for Parents, Relatives & Babysitters!, if you’d like to get in on the action:

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