Clay For Children(Children Use It For Making Objects.)  
["2 c. baking soda (1 lb. box)", "1 c. cornstarch", "1 1/4 c. water"]
["Cook over low heat, stirring.", "It looks like thick mashed potatoes.", "Put on waxed paper.", "Knead until it can be handled.", "Use for school projects."]
["baking soda", "cornstarch", "water"]