Jello dessert

9"x13" glass dish
6 3oz. pkgs. Jello (different flavors/colors)
sour cream

As needed, combine 1 cup boiling water with 1 pkg. jello. Take 1 part (3oz) jello & add 1 cup sour cream. Pour into pan and let set in fridge for approximately 1/2 hour. To the second box of jello, add 3/4 cup cold water. Pour plain jello over creamed jello and return to fridge to set. Repeat procedure with remaining parts alternating cream and plain, cooling, setting after each addition.