Sidewalk Chalk

Eggshell Chalk

Eggshell chalk is for sidewalks only.

What you need:

  • 4-5 eggshells
  • 1 teaspoon flour
  • 1 teaspoon very hot tap water
  • food coloring (optional)

What to do:

  1. Wash and dry eggshells.
  2. Put into bowl and grind into a powder. A mortar and pestle works fine for this.
  3. Discard any large pieces.
  4. Place flour and hot water in another bowl
  5. Add 1 tablespoon eggshell powder
  6. Mix until a paste forms.
  7. Add food coloring if desired.
  8. Shape and press mixture firmly into the shape of a chalk stick,
  9. Roll up tightly in a strip of paper towel.
  10. Allow to dry approximately 3 days until hard.
  11. Remove paper towel and you've got chalk!

Sidewalk Chalk

Reminder: Never pour plaster down sink

What you need:

  • 2 C. Water
  • 2 C. Plaster of Paris
  • 2 T Tempera Paint (Wet or Dry)
  • Toilet Paper Tubes
  • Duct Tape

What to do:

  1. Seal one end of each toilet paper tube with duct tape.
  2. Mix all ingredients and let stand for 5 minutes.
  3. Line a cookie sheet with wax paper or foil.
  4. Place tubes upright on paper with open end facing up.
  5. Pour mixture into holders.
  6. Allow to stand until almost firm.
  7. Remove holders and dry approximately 2 more hours, depending on humidity.
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