I spent about 6 years teaching pre-school on and off. This is a fun and safe activity.
List of Ingredients
1 T solid shortening
1 t flour
Food Coloring
Recipe
In one section of a muffin tin, mix together shortening, flour and one drop of food coloring. Repeat step 1 with several colors in other sections of the muffin tin. Use fingers to paint face. Wash off face with soap and warm water.