Model: Both locomotives come with digital decoders, controlled high-efficiency propulsion and sound effects generators. Steam locomotive has an articulated frame to enable it to negotiate sharp curves, 8 axles powered and 4 traction tires. Headlights, smoke generator contact, steam locomotive sound effects, whistle, as well as acceleration and braking delay can be controlled. Diesel locomotive comes with powered A unit, 2 axles powered and 4 traction tires as well as an unpowered B unit. Headlights, diesel motor sound effects, horn as well as acceleration and braking delay can be controlled. Freight cars from the new generation of models. Sliding doors that can be opened, many details, close ouplers. Passenger cars have extruded aluminum bodies and close couplers. Large C Track layout with 47 sections of track and two wide radius turnouts with electric mechanisms. 6021 Central Control digital unit also included. Transformer to supply power to the central unit and to the accessories. 7272 control box. Feeder connection hardware. Instructions for setup and operation. Can be expanded with the entire C Track program, with 74460 turnout decoders and with the 6040 Keyboard digital accessory controller.