Prototype: HSB, Harz Narrow Gauge Railways, fire extinguishing water car. This car makes it possible for the HSB to bring necessary fire extinguishing water as quickly as possible to the site of a fire. Era VI.This model is appearing in honor of the 50th anniversary of LGB and shows the bond of the Trix brand with LGB. One side of the fire extinguishing water car shows the logo for the 50th anniversary. The other side shows prototypically the original of the HSB car. A brakeman's platform is included. Length over the buffers 10.2 cm / 4". AC wheel set E700150.