7 boxes of 3 oz. Jello (different flavors)
1 lg. plus 1 small sour cream
1 sm. container Cool Whip

Dissolve 1 (3 oz.) Jello in 1 cup boiling water. Save 1/3 cup Jello and mix with 1/3 cup sour cream. Pour plain Jello into 9"x13" oblong glass dish. Chill at least 20 minutes. Pour sour cream mixture over chilled Jello. Chill 20 minutes. Mix other Jello flavors the same and keep layering. Let cool, then top with Cool Whip.