These small towers were used by the CNR well past the end of steam to control turnouts, crossing gates, signals, smash boards etc. As an 18 lever configuration this building had levers to control up to 18 different functions. Besuded th usuial features found in all Kanamodel kits such as colour coded wood, laser cut siding, and easy instructions we have also cast special windows, doors and base, to give an accurate representation of this common building. We have also cast a special stair jig to make realistic stairs easily. The foot print is 2.5" x 2/25".