In a small bowl, sprinkle gelatin into cold water. Set aside to soften. Heat milk to boiling and pour into softened gelatin. Stir until dissolved. Add oil of wintergreen as a preservative. Makes about 1/3 cup. Use while still warm; may be applied with a brush. This glue is very effective for gluing glass to glass, metal to metal, wood, mending china and labels on glass jars.

To glue marbles together allow glue to cool slightly so it begins to jell. Glue should be stored in a screw capped glass jar. It will jell as it cools. To restore it to use set jar in hot water.