Here's big fun for families, protestors, and families who protest! At Instructables, friedpotatoes explains how to make massive sticks of sidewalk chalk with plaster of Paris, tempera paint, and a Pringles can as the mold. From Instructables: We mixed roughly 6 plastic cups of plaster powder with about 4-5 cups of water for a good [&]

https://boingboing.net/2020/08/21/make-your-own-giant-sidewalk-c.html