This is an add-on of a bi-level cab control car to the Regional Express starter set #441-29479, sold separately. The cab control car has tinted side windows and 2 red marker lights at the cab end of the car. Contents: 5 no. 24188 straight track, 4 no. 24172 straight track, 1 no. 24224 curved track, 1 no. 24612 right turnout, and 1 no. 24977 track bumper.