1 cup baking soda, 1/2 cup cornstarch, 3/4 cups water Mix BS & CS, add water and mix. Place the pot on a stove, medium heat, stir constantly. It will thickening soon. When ready cover it with damp paper towel or fabric. Let it cool. Knead it until it's smooth. Roll it out and cut out shapes using cookie cutters. Use a plastic drinking straw to make holes for strings. Air dry (over night) or bake them 210/100 degrees for 30 min to 1 hour. Turn them over a couple of times during baking.