The answer to the question "What is the colour of rust?" is more a tip about modelling in general than a lesson in...
Hornby model railways are OO Scale or 1/76th that is 4 millimetres to the foot (12 inches). It runs on a track with a gauge of 16.5mm (this is the gap between the inside edges of the track). This is one of the most popular scales to model with...
