Set includes die cast steam engine with operating smoke unit, tender with whistle or Real Sounds(R) system, three historical reefers, double dome tank car, illuminated caboose, AC transformer with banana plug receptacles, whistle controller, 8 SuperSnap(TM) 31" curved track sections, 4 SuperSnap 10" straight track sections, lighted lock-on and 40" wires with banana plugs at both ends.