1 (3 oz.) pkg. lime Jello
1 (3 oz.) pkg. lemon Jello
1 (3 oz.) pkg. orange Jello
1 (3 oz.) pkg. strawberry Jello
6 pkgs. Knox plain gelatin
1 c. Borden's sweetened condensed milk
6 c. boiling water

VARIATIONS:

Red, green, white layers (Christmas).

Red, white layers (Valentine's Day).

Green, white layers (St. Patrick's Day).

WHITE LAYER: Mix 2 cups boiling water with 2 packages gelatin until dissolved. Add sweetened condensed milk. Cool.

JELLO LAYER: Mix 1 package Jello with 1 package gelatin. Add 1 cup boiling water. Stir until dissolved. Pour into 9x13 inch pan, whipped with mayonnaise. Freeze for about 10 minutes or until a finger touched to it leaves an imprint. Pour 1 cup milk mixture over Jello layer and freeze for 4 minutes. Every 7 minutes, add another layer and freeze ending with strawberry Jello.