Mix the flour, salt, and cream of tarter together in a large bowl.
Combine your essential oil with the vegetable oil and mix into the dry ingredients.
Boil the water and add food coloring directly to water.
Pour 1 cup of your boiling water into the mixture and stir, adding the additional 1/2 cup slowly until desired consistency is reached.
Knead for 3-5 minutes or until dough is smooth and perfectly squishy for play.