Add flour, salt, and cream of tartar to your saucepan and stir it up.
Turn the stove to medium heat
Add 1 cup of water, 1 tablespoon of oil, and your food coloring to the pan.
Begin stirring. It will look lumpy and that is ok. Just keep stirring.
When it all starts to stick together let it cool on wax paper for two minutes.
Knead the play-doh until it is all smooth.
Check out the pictures below to see how each step looks.