Can eggshells be used as chalk?
Can eggshells be used as chalk? Wash the eggshells well, so they don't have any egg left in them. Dry them and grind them into a fine powder in a food processor. You'll need one tablespoonful of this powder to make a stick of chalk. Put the tablespoonful of eggshell powder into the paste and mix well. How do you make eggshell powder at home? Bring a medium pot of water to a boil. Add the eggshells and cook for 2 minutes. Remove the shells from the water and transfer to a baking sheet. Bake the shells for 45–50 minutes,...