In a large bowl, combine the flour, salt, and alum.
Bring water to boil in a small saucepan over medium heat. Once boiling, whisk in Kool-Aid packets.
Pour Kool-Aid water and oil into dry ingredients. Gently stir and then knead all of the ingredients, until dough comes together.
Let cool before storing in airtight container or resealable bag.
Note: Use rubber gloves to help stir together, since mixture will be very warm at first.
Note: This recipe can easily be cut in half to create two different play dough colors.
Note: Chose the kind of Kool-Aid that you want the play dough to look and smell like. Example: Purple play dough = grape Kool-Aid