Combine flour, cream of tartar, and salt in a sauce pan.
In a separate bowl, add water and a few drops of food coloring. Stir.
Dump into the sauce pan as well as the vegetable oil. Stir.
Heat stove to medium heat and stir the playdough for 2-3 minutes.
Once the playdough starts to get clumpy and hardening take it off the heat.
Put it on a piece of parchment paper to cool.
Knead the lumps out and play!