I wanted to try making homemade sidewalk chalk for quite some time. I found this recipe, but I changed it a little bit (instead of powdered tempera paint, I used the liquid one).
The whole process seemed intimidating to me and I thought it’ll be a lot harder than it actually is. For some reason, I also thought the homemade sidewalk chalk is going to be of lower quality than the commercial ones, which also happens to be false!
First you need some toilet paper cardboard tubes, which you cut in half and then tape the new edges together with a piece of sticky tape. Then seal one end of the tube with some more sticky tape. Insert some baking paper and then use the exact method to make 3 more tubes, since the recipe yields about 3-4 chalks of desired color (depends on the size of the tube used).
Fill a regular glass (200 ml) with water to about 3/4 and pour it into a larger bowl. Add the tempera color of your choice and adjust the quantity of the paint, depending on how strong of a color you want. I only used one tea spoon of color. Now mix it well and make sure the color is fully diluted in water. Then add 1 full glass of plaster powder and mix it thoroughly.
Carefully pour the mixture into the tubes you’ve prepared until each tube is full (I used a spoon to make things easier). The mixture starts to harden quickly, therefore its not good to wait before pouring it into the tubes. Place filled tubes in an upright position – ideally into a larger cup so they can’t fall over while hardening.
In about an hour you can remove the card board tubes and the baking paper.
I recommend you leave the chalk to fully dry on air. Although you could just leave them to dry inside the cardboard tubes, it’ll take much longer.
The chalk will dry a lot faster on air so you can start using them in about two hours.
I used the most tempera color in the red chalk, which gives it more intensity. I also noticed that the red chalk leaves quite a bit of color on your hands while others did not (no any more then regular chalk anyway).
Now just head outside and make the world just a tiny bit more colorful! 😉
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