The earliest toy trains were made of lead and had no moving parts. Some had wheels that flipped, but these had to be pushed or pulled. A few of the early 19th-century push toy rails were made from tinplate, like the large, durable, stylized locomotive toys in the U.S., that were painted red and gold and decorated with hearts and flowers. model trains uk youtube
Around 1875, technological advancements in materials and manufacturing enabled tin to be scraped, cut, rolled, 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 containing a train and monitor, 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 an operating train.
Electric trains adopted, with the first appearing in 1897, made by the U.S. firm Carlisle & Finch. As residential use of power became more common from the early 20th century, electrical trains gained popularity and as time went on, these electric trains grew in sophistication, gaining lighting, the ability to change direction, to emit a whistling noise, to smoke, to couple and uncouple cars and even load and unload cargo. Toy trains from the first half of the 20th century were often made of lithographed tin; later trains were frequently made mainly of plastic.
Before the 1950s, there was little differentiation between toy trains and model railroads–model railroads were toys by definition. Pull toys and wind-up trains were marketed by children, while electric trains were marketed towards teenagers, particularly teenaged boys. It was during the 1950s that the modern emphasis on realism in model railroading began to grab on.
Now, 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 from the 1950s to the 1970s). However, as a result of their high price, one is more inclined to find an HO scale or N scale train set at a toy store than an O scale set.
Many modern electric toy trains contain sophisticated electronics which emit digitized sound effects and allow the operator to safely and easily run multiple remote control trains on one loop of course. In the last few decades, many toy rail operators will operate a train with a TV camera in the front of the motor and hooked up to a screen, such as pc monitor. This will show an image, like that of a real (smaller size) railroad)
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