Before HO scale became the standard for model railroading, O scale was the dominant size, with a ratio of 1:48. However, in the early 20th century, a growing demand for more compact model trains ...

The train set covers 1,100 square metres, has 5,800 metres of train track, contains 200,000 lights, 90,000 human figures, a model airport and has 150 trains running at any one time.