1 pkg. red Jello
1 pkg. yellow Jello
1 pkg. green Jello
1 env. Knox gelatin
1 c. pineapple juice
2 c. whipping cream
1/2 c. sugar
Graham cracker crust, unbaked

Make Jello using only 1 1/2 cups boiling water for each package. Let set until set and cut into cubes. Heat pineapple juice and gelatin until gelatin is dissolved. Cool. Whip cream with sugar. When gelatin mixture is cool add to whipped cream. Fold in Jello cubes and pour on unbaked graham cracker crust in a 9"x13" pan. Chill until mixture is firm enough to slice.