Some had wheels which turned, but these needed to be pushed or pulled. A few of the early 19th-century push toy rails were made from tinplate, such as the large, durable, stylized locomotive toys from the U.S., which were painted gold and red and decorated with hearts and flowers. model trains boxes
Around 1875, technological advancements in materials and manufacturing allowed tin to be scraped, cut, wrapped, and lithographed faster than previously.
Toy trains were revolutionized when Märklin, a German firm that specialized in doll house accessories, sought to create an equivalent toy for boys in which a continuous revenue stream could be ensured by selling add-on accessories for decades after the initial purchase. In addition to boxed sets containing a train and track, Märklin offered additional track, rolling stock, and buildings offered separately, creating the predecessor to the modern model train layout featuring scenery and buildings in addition to an operating train.
Electric trains adopted, with the first appearing in 1897, produced from the U.S. company Carlisle & Finch. As home use of power became more prevalent from the early 20th century, electrical trains gained popularity and as time went on, these electrical trains grew in sophistication, gaining light, the ability to change management, to emit a whistling sound, to smoke, to remotely couple and uncouple cars as well as load and unload freight. Toy trains by the first half of the 20th century were frequently made of lithographed tin; later trains were frequently made mostly of plastic.
Pull toys and wind-up trains were marketed by kids, while electrical trains were marketed towards teenagers, especially teenaged boys.
Today, S gauge and O gauge railroads continue to be considered toy trains even by their adherents and are often accessorized with semi-scale model buildings by Plasticville or K-Line (who owns the rights to the Plasticville-like buildings created by Marx in the 1950s to 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 shop than a O scale collection.
Many modern electric toy trains contain sophisticated electronics that emit digitized sound effects and permit the operator to securely and easily run multiple remote controller trains on one loop of course. In the last few years, many toy rail operators may operate a train with a TV camera at the front of the engine and hooked up to a display, such as computer monitor. This will show an image, like that of a genuine (smaller size) railroad.
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