This is a Kato 106-6213 Burlington Northern Santa Fe Swoosh Maxi-IV Double Stack Car with 5 wagons and 5 double stack Yang Ming Containers . Features: Provides stable operation with or without container loads due to Kato's new innovative heavier material steel compound plastic used for the construction of the well car. Each container has a magnet and a metal plate to hold it securely to the well car bottom or to the top of the lower Kato container. Shock absorber construction provides smooth and stable operation, with or without the container loads. The KATO Kinematic trucks will maintain the prototypical appearance on straight track while delivering smooth operation on curved track.The packaging is designed for the separated storage of the articulated unit, providing ease and security when not in use.