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Homemade Sidewalk Chalk

This homemade sidewalk chalk is easy to make, customizable, and the kids will love it!

homemade sidewalk chalk

DIY Sidewalk Chalk

I don’t know about you but finding activities that keep kids interested, especially during the summer, is hard work. Sidewalk chalk is one of those classic activities that kids will always find entertaining and now we are taking it to the next level! This recipe allows kids to customize their chalk with their favorite shapes and colors providing hours of fun.

The great thing about homemade sidewalk chalk is that it only takes 3 ingredients to make. If you’ve made my chalk paint before, you’ll already have most of the ingredients on hand. Score!

Homemade sidewalk chalk in all different shapes from iheartnaptime.com

3 simple ingredients

  • 1/4 cup warm water
  • 1/2 cup plaster of paris
  • 2-3 Tablespoons washable tempera paint

Other supplies needed

  • Candy molds/ice cube trays (I found mine at IKEA)
  • Disposable bowls
  • Plastic spoons
  • Paper towels or newspaper
Homemade sidewalk chalk in all different shapes from iheartnaptime.com


  1. COMBINE. Add warm water and plaster of paris in a small bowl. Stir with spoon until clumps are removed.
  2. STIR. Add paint and stir until combined.
  3. POUR. Once the chalk starts to get thick (like buttercream frosting), pour mixture into molds.
  4. WIPE. Use a damp paper towel to wipe around the edges of the mold to remove any excess paint.
  5. DRY. Allow chalk to dry for at least 24 hours before using.
  6. ENJOY! Take your chalk outside and have fun!

Place the flower chalk in a mini pot for a great gift idea! (picture below)

Homemade sidewalk chalk in all different shapes from iheartnaptime.com

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  1. This looks like so much fun! Could you use actual ice cube trays (the rigid plastic kind) or would that make it too hard to get the chalk out?

    1. The homemade chalk really is so much fun! You could try using ice cube trays, but it may be a little harder to pop out. The molds are pretty flexible so they come out really easy!

  2. How safe is this really for kids? The plaster of Paris bag I bought has lots of warnings about inhaling the dust or irritating eyes, even irritating the skin let alone swallowing the stuff ! What do you think?

    1. Hi Sylvia! There are always concerns with every product. With this chalk in particular, I just make sure I am outside with the kids supervising. ๐Ÿ™‚

  3. Pinning! My 17mo daughter has just discovered chalk at playgroup and loves it! These would be perfect for her hands, and I think my in laws still have some P.o.P left!