2 c. baking soda
1 c. cornstarch
1 1/4 c. cold water

Mix soda and cornstarch together, blending well. Add cold water and mix well until mixture is smooth. Boil for 1 minute until it has consistency of moist mashed potatoes; stir constantly. Spoon out on a plate. Cover with a damp cloth and allow to cool. Knead dough and roll out on waxed paper. Cut out designs with a cookie cutter or shape by hand. Let dry until hard, 1 or 2 days. Paint ornaments with Tempra or water colors. Dry well and coat with clear shellac or clear nail polish. Hangers may be mounted on back with glue, or pressed into dough before it dries.