1 sm. box vanilla pudding (not instant)
1 sm. box tapioca pudding (not instant)
1 sm. box orange Jello
3 c. cold water
1 (16 oz.) can mandarin orange slices
1 (8 oz.) Cool Whip

Mix first three ingredients together in saucepan, stir in cold water and heat over medium heat until mixture comes to a boil. Boil 2 minutes, then set off heat and let completely cool. When cool, stir in orange slices and place in refrigerator overnight. Early morning fold in Cool Whip, making sure to stir thoroughly. Let set up for 8 hours.