Homemade Chalk

Directions

1. 1
   Wash and dry egg shells.
2. 2
   Use rock to grind egg shells into powder.
3. 3
   Put powder in a dish.
4. 4
   Measure and combine flour and hot water in another dish.
5. 5
   Add 1 teaspoon of the powder.
6. 6
   Mix and mash until mixture sticks together.
7. 7
   Shape and press into a chalk-stick shape.
8. 8
   Roll the stick tight in a strip of paper towel.
9. 9
   Dry for 3 days, until hard as a rock.
10. 10
    Write with the chalk.
11. 11
    Erase with your shoe.