Mix together flour, cream of tartar, baking soda and salt together in a separate bowl and set aside.
Cream together with a hand mixer sugar and butter. Once combined add eggs and mis until creamy.
Add dry ingredients that you set aside 1 cup at a time and mix until all combined.
Shape dough into 1 inch balls and roll in the cinnamon/sugar mixture in another bowel until ball is completely coated.
Place cookies 2 inches apart on an ungreased cookie sheer.
Bake for 8-10 minutes at 350f. Do not let the cookies turn brown.