The LEGO City Cargo Train 7939 is perfect for young engineers! The train comes with an engine, and wagons for the tank, flatbed container, and an auto carrier that even has 2 small cars for it. Load and unload the cargo train using the big crane and drive the eight-channel, seven-speed train via an infrared remote control system along its flexible tracks. You can drive the train to/from the airport, harbor, or warehouse. The LEGO City Cargo Train 7939 also comes with four mini figures -- a train driver, and 3 freight yard workers. Its big crane can fit over the flexible tracks and the container truck even owns a working winch. The set also inlcudes a battery box, infrared receiver with a remote control that can even simultaneously control 8 different trains. However one just needs to note that this set's tracks are not compatible with other LEGO 9V trains.