This is № 421 of Pilentum's model railroad videos. This beautiful HO scale model railroad layout, including steam and diesel locomotives, depicts the Atchison, Topeka and Santa Fe Railway in the United States.
This is № 401 of Pilentum's model railroad videos. British twin brothers David and John Riddle created a model railroad in N scale showing a main line station with express trains roaring through the countryside in the UK.