The earliest toy trains were made of lead and had no moving parts. Some had wheels which turned, but these had to be pulled or pushed. Some of the early 19th-century drive toy rails were made from tinplate, like the big, durable, stylized locomotive toys from the U.S., which were painted red and gold and decorated with hearts and flowers. model trains expensive
Around 1875, technological advancements in materials and manufacturing enabled tin to be stamped, cut, wrapped, and lithographed faster than previously.
Toy trains were altered when Märklina German firm which specialized in doll house accessories, sought to make an equal toy for boys where a continuous revenue stream could be guaranteed by selling add-on accessories for decades after the initial 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 buildings and scenery in addition to an operating train.
Electric trains followed, with the first appearing in 1897, made by the U.S. company Carlisle & Finch. As home use of electricity became more common from the early 20th century, electric 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 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; afterwards trains were frequently made mainly of plastic.
Before the 1950s, there was little distinction between toy trains and model railroads–model railroads were toys by definition. Pull toys and wind-up trains were marketed by kids, while electrical trains were marketed towards teens, particularly teenaged boys. It was during the 1950s that the modern emphasis on realism in model railroading began to grab 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 are still considered toy trains 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 produced 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 at a toy shop than an O scale set.
Many modern electrical toy trains contain sophisticated electronics which emit digitized sound effects and allow the operator to securely and easily run several remote control trains on a single loop of course. In recent years, many toy train operators may operate a train with a TV camera in the front part of the engine and hooked up to a display, such as pc monitor. This will show an image, similar to that of a genuine (smaller size) railroad.
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