Play Dough
["2 c. water", "1/2 c. salt", "choice of food coloring", "2 Tbsp. alum powder *", "2 c. flour", "2 Tbsp. oil"]
["*Alum is the secret ingredient that helps to preserve this dough from molding."]
["water", "salt", "coloring", "alum powder", "flour", "oil"]