4 env. unflavored gelatin
4 c. boiling water
3 pkgs. (4 serving size each) fruit flavored jello

In large bowl, mix unflavored gelatin and jello. Add boiling water and stir until completely dissolved (2 minutes). Pour into 9 x 13 pan. Chill until firm. To serve, cut into 1 inch squares. Makes 9 dozen "Knox Blox".

Variation: Cut chilled gelatin with cookie cutters. Mix leftover pieces with whipped cream and serve in bowls. Fun!