Children'S Play Dough
["2 c. baking soda", "1 c. cornstarch", "1 1/2 c. water"]
["Mix dry ingredients in saucepan.", "Add water and cook over medium heat, stirring constantly, for 4 minutes.", "Remove immediately when water disappears and is thick.", "Put hot dough on plate.", "Cover with damp cloth and cool.", "Knead when cool.", "Add food coloring, if desired.", "May be rolled and cut out for decorations. Put cutouts on wire rack and in oven that is heated at 350\u00b0 and turn off when put in oven."]
["baking soda", "cornstarch", "water"]