***It is a value set of 12 pieces of Rokuhan SA001-1*** MSRP is JPY19,536 and our price is JPY15,687 (JPY3,849 OFF)!It’s also a more reasonable price than buying 12 pieces separately at our store! – Z Shorty A powered chassis for Z gauge motorization of vehicles.- The minimum passing curve radius is R45, and you can turn the smallest curve with Z gauge.- Arnold coupler (long) is already installed on the front and back of the chassis, so vehicles can be connected.