Playmobil Princess Ghost CostumePlaymobil Princess Ghost Costume The sweet castle ghost of the princess castle is actually a princess who guards the key to the treasure chamber and enjoys surprising her royal friends with pranks. Her ghost costume glows in the dark. Dive into magical mystery with the Playmobil Princess Castle Ghost set. By day she is a graceful Princess, and by night she transforms into a glowing Castle Ghost guarding the treasure key. Her radiant ghost costume,