KATO's first OO-9 (double O/9) narrow scale model, achieved through a partnership with PECO, and a steam-train that has been kept in the UK [Small Princess of England/Princess] It is a tender attached tank-type steam-locomotives with 2 spindles manufactured by GEORGE ENLAND from 1863 to 1867, and is the most ancient class of this type of Railway. Princess Princess has been kept in good condition, and is active by tow carts on the Pest Railway. OO-9 is a [Narrow Gage] model of a 1/76 scale and a 9mm runway. It can run on N-Gage Unitrak lines. You can enjoy running on a table while keeping the sweet atmosphere of a real car and the fine details specific to a steam-powered locomotives. Since it is compatible with the Unitrak compact series, it is also recommended for operation with a small floor plan where only a small scale is possible. Be sure to check the product details below and the points to keep in mind when making a sale! To request a return or exchange, please note that it is mandatory to provide a video of the unpacking of the package.