Homemade Sidewalk Chalk

Using 2 muffin tins... take 1 1/2 cups cornstarch and 1 1/2 cups water, mix it up and divide it into the 12 muffin cups. Add 2 to 3 drops of food coloring of your choice into each cup and stir. Let harden, then pop out and let the kids have some fun! :D