The locomotive has an mfx digital decoder and extensive sound functions. It also has controlled high-efficiency propulsion with a flywheel, five powered axles and traction tires. The locomotive is constructed mostly of metal. A 72270 smoke unit can be installed in the locomotive, sold separately. The triple LED headlights change over with the direction of travel. They and the smoke unit that can be installed in the locomotive will work in conventional operation and can be controlled digitally. Piston rod protection tubes and brake hose details are included. The cars have close couplers with guide mechanisms. Train length 77.6 cm / 30-9/16". Contents: 14 no. 24130 curved track, 9 no. 24188 straight track, 11 no. 24172 straight track, 1 no. 24224 curved track, 1 no. 24612 right turnout, 1 no. 24671 left curved turnout, 1 no. 24672 right curved turnout, and 1 no. 24977 track bumper. Track connector box, 120 volt switched mode power pack, Mobile Station controller and an illustrated instruction manual with many tips and ideas is included. This set can be expanded with the C Track extension sets and with the entire C Track program.