With the roar of its mighty motor and a blast of its horn, the Thunder Chief announces its arrival. Commanding the attention of one and all, there is no missing the excitement of the Thunder Chief storming into the station. Featuring a DCC sound-equipped F7A with a diesel sound package that includes prototypical prime mover, three air horns, and bell-all in polyphonic 16-bit sound that you can control with our E-Z Command(R) digital control system. This fun set includes an EMD F7A locomotive with sound and DCC, three cars, a 56 x 38′ 142.2 x 96.5cm snap-fit E-Z Track(R) oval, E-Z Command control center and complete instructions.WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov