Kool-Aid Playdough - 1 Cup Flour, ¼ Cup Salt, 1 Packet Kool-Aid, ⅔ Cup Water. *You will end up using between ½ and ⅔ cup, 1 Tb. Oil. Instructions: Mix the flour, the salt, and the Kool-Aid together. Boil the water. Add the oil to the water. Pour some of the water into the dry ingredients and mix with a spoon. Keep adding water and work the dough until the color is uniform and feels like playdough.