2 1/2 c. flour
1 tbsp. alum
1/2 c. salt (table or canning)
3 tbsp. cooking oil
2 c. boiling water

Mix dry ingredients and stir together. Add cooking oil and 2 cups boiling water. Stir together and keep kneading as for bread, then whatever color play dough you desired, add food coloring that you desire. Keep in plastic container or coffee can or plastic bag. Children love it. Good for rainy days.