In medium microwavable bowl, microwave candy melts uncovered on Medium (50%) 30 seconds, then in 15-second increments until melted; stir until smooth. Spoon melted candy into resealable food-storage plastic bag; seal bag. Cut off tiny corner of bag.
Decorate pies with melted candy, decorating icing, candies and sprinkles as desired. Place on waxed paper; let stand until set.