The first toy trains were made from lead and had no moving parts. Some had wheels that turned, but these had to be pulled or pushed. Some of the early 19th-century drive toy rails were made of tinplate, like the big, durable, stylized locomotive toys from the U.S., which were painted gold and red and decorated with hearts and flowers. model trains gauges
Around 1875, technological improvements in materials and manufacturing enabled tin to be scraped, cut, wrapped, and lithographed faster than previously.
Toy trains were revolutionized when Märklin, a German company that specialized in doll house accessories, sought to make an equal toy for boys where a constant revenue stream could be ensured by purchasing add-on accessories for years after the first purchase. In addition to boxed sets comprising a train and track, Märklin offered additional track, rolling stock, and buildings sold separately, creating the predecessor to the modern model train layout featuring scenery and buildings along with a working train.
Electric trains adopted, with the first appearing in 1897, made by the U.S. company Carlisle & Finch. As home use of power became more prevalent in the early 20th century, electrical trains gained popularity and as time moved on, these electrical trains grew in sophistication, gaining lighting, the ability to change management, to emit a whistling sound, to smoke, to remotely couple and uncouple cars and even load and unload freight. Toy trains by the first half of the 20th century were often made of lithographed tin; later trains were frequently made mainly of plastic.
Pull toys and wind-up trains were marketed towards kids, while electric trains were marketed towards teens, particularly teenaged boys. It was during the 1950s that the modern emphasis on realism in model railroading began to catch on.
Consumer interest in trains as toys waned in the late 1950s, but has undergone resurgence since the late 1990s due in large part to the popularity of Thomas the Tank Engine.
Today, S gauge and O gauge railroads continue to be considered toy trains even by their own adherents and are often accessorized with semi-scale model buildings by Plasticville or even K-Line (who owns the rights to the Plasticville-like buildings created by Marx in the 1950s into the 1970s). However, as a result of their high cost, one is more likely to find an HO scale or N scale train set in a toy store than a O scale set.
Many modern electrical toy trains contain sophisticated electronic equipment that emit digitized sound effects and permit the operator to securely and easily run multiple remote control trains on a single loop of track. In the last few decades, many toy train operators may operate a train with a TV camera at the front part of the engine and hooked up to a screen, such as computer monitor. This will show a picture, similar to that of a genuine (smaller size) railroad)
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