Add 1 tablespoon eggshell powder and mix until a paste forms. Add food coloring if desired. Shape and press mixture firmly into the shape of a chalk stick, and roll up tightly in a strip of paper towel. Allow to dry approximately 3 days until hard. Remove paper towel.
Eggshell chalk is for sidewalks only.
Fighting sidewalk chalk squirt bottles water Draw a pretend fire on the side of your house or garage with colored chalk. Use water-filled squirt bottles to put the fire out. As your child squirts, the fire will magically disappear. Store solution in a plastic container with tight fitting lid. Use straws, six-pack holders, unbreakable household items, funnels to blow bubbles with.