From Lionel, this train set features: Recommended use: ages 14 and up 2-8-4 locomotive and tender Two coach cars Observation car Four articulated movie characters Passenger car with interior lighting, decorated drumhead, rounded observation platform, silhouettes in windows Eight curved O36 FasTrack® track sections, three 10" straight FasTrack® sections and one FasTrack® 10" wall-pack terminal section Wall-pack power supply LionChief® remote for locomotive with forward and reverse speed control knob, and three buttons for whistle sound, bell and special announcements (requires three AAA alkaline batteries (not included)) The Polar Express bell Electric locomotive controlled by remote or Bluetooth® LionChief app Lionel Voice Control (LVC) - run your locomotive by speaking commands into your phone via LionChief® App Voice Streaming & Recording (VSR) - record or live stream your own custom announcements via LionChief® App RailSounds RC™ sound system with steam chuffing and engine background sounds, whistle, bell and user-activated announcements Official "All aboard The Polar Express" and "Tickets Please" movie sound clips On/off switches for smoke, chuff and sound Operating headlight Puffing smoke unit Operating coupler on rear of tender Powerful maintenance-free motor Two traction tires Die-cast metal locomotive body Gauge: O Gauge  Min curve: O31 Dimensions: set length: 63" Imported.