Kids sidewalk chalk DIY. Quick and easy kids craft idea for hours of fun playing. Enjoy sidewalk chalk kids activities or make sidewalk chalk art for a family fun activities everyone can enjoy. An easy DIY sidewalk chalk tutorial that uses just 3-ingredients - water, plaster of Paris and mica powder. You'll craft your own colored sidewalk chalk that's ready in about 30-minutes for tons of unplugged kids activities that are fun when you need things to do when bored. #sidewalkchalk #kidscrafts