MagLev trains, being frictionless, have no theoretical limit to their lengths. With an infinite track powered by an infinite power source, you can have a train composed of an infinite number of cars*. With this add-on, you�re two Cargo Cars and over 30 inches of track closer to reaching infinity.*This statement has not been evaluated by TechPriests, and may be heretical. INCLUDES: � 2 Straight Rails � 1 Curved Rail � 2 Cargo Cars