1 cup cornstarch
2 cups baking soda
1 1/4 cups cold water
Mix and cook over medium heat stirring constantly about 4 minutes or til mixture thickens into a moist mashed potato-like consistency. Cover with a cloth while it cools enough to knead it.
Roll out dough and cut into shapes using a straw to put a hole in the top for a ribbon to hang on the Christmas tree.