4 env. Knox unflavored gelatin
3 (4 serving) pkg. gelatin (Jello)
4 c. boiling water

In large bowl, mix unflavored gelatin with Jello gelatin. Add boiling water and stir until gelatin is completely dissolved. Pour into 9x13 inch baking pan and chill until firm. To serve, cut into 1-inch squares. Makes about 9 dozen Blox.