The MOVMRC showcases five scales of model trains: Z, N, H-O, O and G. Bee said the Z scale is the smallest of their model trains. The largest model train the club runs is the G or garden scale.

The Largest Model Train Set In American Faces Steep Competition On The World Stage Although NorthlandZ earned a Guinness World Record for the longest small-scale model railway track in 1997 with a ...