Oooblick(Is It Liquid Or Is It Solid?)  
["1 c. cornstarch", "1/2 c. water", "few drops food coloring (optional)"]
["Place water in bowl, add about 1/2 cup cornstarch; mix.", "Add rest of cornstarch slowly until the mixture becomes very hard to stir."]
["cornstarch", "water", "coloring"]