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HO Scale

HO Scale

This is the most popular model railway scale in the world, although not in the United Kingdom. The name is derived from "Half 0". The European NEM define the scale as exactly 1:87, while the U.S. NMRA defines it as exactly 3.5 mm : 1 ft (approximately 1:87.1). There is a vast selection of ready-to-run, kits and parts for locomotives, rolling stock and scenic items from many manufacturers depicting trains from all around the world.