Easy homemade play-doh with Jell-o recipe, smells amazing. Best no cook playdoh that kids will love, no cooking required. Soft and last a long time with the gelatin in the Jello. Ingredients what you will need: 1 1/3 cups flour 1 cup boiling water 4 packages different colors 'no sugar added' Jell-o 1/2 cup salt 2 tbs Cream of Tartar 1 tbs Oil