For your sidewalk Picassos.

By Alice and Lois and Alice and Lois
Updated June 21, 2021
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Encourage your kids' inner artists! Make washable sidewalk chalk paint with a few ingredients from the kitchen. All you need is cornstarch, water, and food coloring. Your kids will spend hours in the driveway creating masterpieces. And if you don't want to clean up, no problem—just wait for a summer rainstorm. Be sure to keep this DIY sidewalk chalk paint recipe handy; your kids will want to play with this paint over and over again.

  • Working time 15 mins
  • Start to finish 15 mins
  • Difficulty Easy

What you need


How to do it

Part 1

sidewalk paint mixing dry measuring
Step 1

Mix the Base

Measure equal parts of plain cornstarch ($10 for two 16-ounce containers, Amazon) and water. The more of each you use, the more paint you will have for the day. Mix the cornstarch and water together. At first the combination will be a bit tough to stir. Keep stirring until the mixture is smooth, with no lumps.

sidewalk paint mixed bowls colorful brushes
Step 2

Add Color

Pour small amounts of the paint base into individual cups or a muffin tin ($8, Amazon), one for each color you are making. Once there is paint in each container, add in liquid food coloring ($8 for 10 colors, Amazon). There is no specific ratio for how much food coloring to add. Stir the portion after each drop of food coloring so you can decide whether or not you want to add in another. Don't be limited to the hues in your food coloring box; mix them together!

Related: How to Make Ice Pop Sidewalk Chalk

sidewalk paint cupcake tin light concrete splashes
Step 3

Paint and Clean Up

When the paint is ready, set the kids loose with inexpensive foam brushes ($7 for 25, Amazon) and have them paint colorful designs all over the sidewalk or driveway until all the paint is gone. 

Once the kids are done painting, clean up easily with a hose. For difficult spots, give it a quick scrub with soap and water. We didn't have issues with the food coloring staining the concrete. However, if you have light or porous stone we recommend doing a quick spot test to ensure it doesn't leave a stain. This paint also works on dark paper, cardboard, and poster board.

Comments (1)

How difficult was this project?
July 25, 2018
I did not use it on concrete. I used it on cardboard. The paint will stain concrete.

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