Model: The locomotive frame is constructed of die-cast metal. There is a built-in digital decoder with a sound generator for operation with mfx and DCC. The locomotive has a motor with a flywheel. 4 axles powered. Traction tires. There are close coupler mechanisms. The headlights and marker lights change over with the direction of travel. Warm white LEDs are used for the lighting. The cab lighting and the other lights can be controlled digitally. The cars have close coupler mechanisms. There is a Mobile Station, Track Connector Box, a switched mode power pack for 230 volts/30 VA, and an oval of track with Radius 2 curved track. Required space: 90 x 47 cm / 36" x 19". Total train length over the buffers approximately 366 mm / 14-3/8". This set can be expanded with the entire Minitrix concrete tie track program.