October 25, 2014
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Eggshell Chalk
You'll need:
4-5 eggshells,1 teaspoon flour,1 teaspoon very hot tap water,food coloring (optional)

Directions:
Wash & dry eggshells. Put into bowl and grind into a powder. A mortar and pestle works fine for this. Discard any large pieces. Place flour and hot water in another bowl and add 1 tablespoon eggshell powder & mix until a paste forms. Add food coloring if desired. Shape & 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 & you've got chalk! Eggshell chalk is for sidewalks only.