Knox Blox
["4 envelopes Knox unflavored gelatine", "3 (3 oz.) pkg. any flavor jello"]
["Mix jello and gelatine before adding water to prevent lumps. Add 4 cups boiling water and stir until jello dissolves.", "Pour into a large shallow baking dish.", "Chill until firm.", "Cut into squares.", "Makes about 100 one-inch squares."]
["unflavored gelatine", "flavor jello"]