1 c. cornstarch
2 c. baking soda
1 1/2 c. cold water
Food coloring
Shellac

Mix cornstarch and soda in saucepan. Stir in water and desired amount of food coloring. Cook over medium heat until thickened to consistency of dough, stirring constantly. Cover with damp cloth. Let stand until cool. Shape as desired. Paint finished objects with shellac.