How-to: Homemade Sidewalk Chalk

tear off the cardboard toilet paper tube to see your new chalkNOTE: Don’t you dare pour any unused plaster of Paris down your drains! You can take containers outside and rinse them out with your garden hose, or wait until the plaster has set on a container and then chip it off, but in our house we tend to use stuff that’s on its last legs, anyway–the cups that came with our take-out pizza, old paint stirrers or sticks from the yard, rinsed-out deli containers, etc.

In the same vein, don’t wash your molds until you’ve thumped off all the dried plaster around their edges. Cardboard molds can be dropped back into the recycling bin, but if you’ve cut up a recycled plastic mold so much that it no longer has its recycling number on it, you’ll likely have to toss it in your regular trash.

Next >> Step 4

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9 thoughts on “How-to: Homemade Sidewalk Chalk”

  1. Little Wonders' Days

    This is a great tutorial.ย  I would never have thought to use tp rolls for the mold.ย  Does it wash off the sidewalk easily?

    1. Oh, yeah, it washes right off. One of my girls’ daily chores is to hose down our front porch and sidewalk every morning, because they’re the ones who’ve drawn on it and had picnics on it and let their dump trucks pour dirt all over it all the previous day, and the sidewalk chalk always comes off with the hose. We also draw a lot on the basketball court in the park by our house, and if those drawings haven’t worn off by the next rain, they’ll be gone afterwards.

  2. i love your website…it’s been a long time since i have had a child in school…but now we have two young grandsons’ ages 4 and 2.ย  They are busy little farmers, hunters and gatherer too.ย  they enjoy going out for a drive to see if they canspotany animals moving.ย  I love your site, i truly do.ย  how wonderful this would be for my children.
    we are Grammie and Pops

  3. Pingback: Crafting a Green World | Snow that Won’t Melt: DIY Snowflakes Crafted from Eco-Friendly Materials | Page: 1 | Crafting a Green World

  4. Thinking of making some chalk, but also thinking that with the limited amount of time I have, I might as well just buy some. Grr, I can’t wait for my college classes to be done! One more year. One. More. Year.

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