Pumpkin Pie Playdough Recipe

Today we made pumpkins with homemade pumpkin pie playdough. If you want to make some at home, it's really easy:
1 1/2 c. flour
1/2 c. salt
2 tsp. cream of tartar
1 c. water
1 tsp. vegetable oil
food coloring
1 can pumpkin pie spice