How do you make play dough with all purpose flour?

To make play dough with all-purpose flour, combine 2 cups of flour, 2 cups of water, 1 cup of salt, and 2 tablespoons of vegetable oil in a pot. Heat the mixture over medium heat, stirring continuously until it thickens and forms a dough. Once it cools, knead it until smooth. Optionally, you can add food coloring for a fun touch!