Supplies:

4-6 drops food coloring
1/4 cup white glue
1/2 cup flour
1/2 cup cornstarch
1/4 cup water

Directions:

Mix white glue, water, and food coloring together in a small bowl until well blended.  Combine flour and cornstarch in a separate bowl.  Add the flour mixture to the glue mixture.  Mix until a stiff dough is formed.  Remove dough from bowl and knead on a floured surface for 2-3 minutes.  Mold plastic dough on a surface covered with wax paper.  Drying time will vary according to the size and thickness of your creation.