This is great for nursery, that is what I made it for.
1 c. flour
1 c. water with food color
1 Tbsp oil
1/2 cup salt
2 tsp. cream of tarter
Stir and cook on medium until like mashed potatoes and it sticks together in a big ball. Take off the heat and put on parchment paper and knead by hand a couple minutes. Keeps aproximately 2 months.