Fisher-Price Thomas & Friends TrackMaster, New Friends/Greatest Moments - Stephen "The Rocket" Features Stephen "The Rocket" engine from the Thomas and Friends King of the Railway movie Comes with an added trailer car for added play Push Stephen along or flip the switch to watch him chug along by himself Perfect addition to your expandable, connectable, motorized Thomas and Friends TrackMaster world Motorized train track play is compatible with all TrackMaster track sets (sold separately)