To make your own bath tub paints:
Take a Muffin Tin or container of your choice, and add 2 T. cornstarch to each cup of the tin.
Then to each cup add about 1/4 cup liquid dish soap.
Add 4-5 drops of food coloring to each mixture to make your favorite paint colors.
Stir and mix together the pain until fully incorporated and it has a smooth consistency. Add a small amount of water, to each tin about 2-3 Tablespoons and stir.
You are ready to have some good clean fun!