Combine water and salt in a large pot and heat over low heat until the salt is dissolved.
Stir in the flour until well combined.
Add the vegetable oil and cream of tartar, mixing well.
Keep stirring over low heat until it thickens and pulls away from the sides into a ball. If it’s too sticky, keep stirring over low heat until it thickens.
Remove from the heat and let it cool until you can handle it.
Add the Kool-aid or food dye for color.
Notes
You can also add some essential oils to give your dough a nice scent and some aromatherapy benefits.