Dissolve gelatin in 1 cup boiling water. Add 3 ice cubes to a measuring cup and fill with cold water to make 1 cup. Add to gelatin and hot water. Stir well until dissolved. Let set for 5 minutes to cool. With electric mixer, stir the dry instant pudding into gelatin. Mix well. Let stand for 15 minutes. Fold in thawed whipped topping and then the oranges. Refrigerate.