In a medium saucepan, combine flour, salt and cream of tartar. Stir to combine.
Add oil and warm water, stir well. Place saucepan over medium to medium high heat (6.5/10) and cook dough for about 3 minutes, until pliable yet firm.
Turn out on counter top, let cool a few minutes. Divide dough in half, if desired.
Color accordingly with food coloring (15 drops per half of dough). Add glitter, scented oils or extracts to further customize.