This limited edition pin released as a Surprise at WDW locations is one of 6 Railroad Train pins with the FAB characters in the cars. Each of the pins have hooks to connect with the other pins (similar to the Snow and the Dwarfs from DS set). Also they are backstamped with Limited Edition 1000 and # of 6. Mickey is featured here in a the engine car. Pins in this series include: #15639, #15640, #15641, #15642, #15643, #15644.