Fizzing Sidewalk Chalk

I am so excited to have found this awesome activity and recipe and even more excited about the fantastic blog I found it on – a big thanks to the special mama who shared it in the first place.

This homemade fizzing sidewalk chalk is a wonderful way to enjoy creative fun with your little ones, and get a little messy knowing all these mild natural ingredients will wash away with ease.

For the paint:

  • A container of baking soda
  • 1 1/2 cups of flour OR ½ cup of cornstarch
  • Warm (almost hot) water
  • Beet, spinach, and carrot juice (or natural food colouring); find out how to make your own natural food colouring.

And for the Fizz:

  • A bottle of vinegar, decanted into a spray bottle.


  • Mix the dry ingredients and then add water stirring so that it does not get too thick. Note that this paint dries very quickly – but washes off with ease. You can make as many colours as you want!
  • Splatter or neatly paint your veranda or side walk.
  • And now the fun begins – squirt the vinegar onto the paint and watch it fizz!

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