The earliest toy trains were made of lead and had no moving parts. Some had wheels that flipped, but these had to be pulled or pushed. A few of the early 19th-century push toy rails were made of tinplate, such as the big, durable, stylized locomotive toys from the U.S., that were painted red and gold and decorated with hearts and flowers. model trains st louis
Around 1875, technological improvements in materials and manufacturing allowed tin to be scraped, cut, rolled, and lithographed faster than previously.
Toy trains were altered when Märklin, a German company which specialized in doll house accessories, sought to make an equal toy for boys where a continuous revenue stream could be ensured by selling add-on accessories for years after the initial purchase. Along with boxed sets containing 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 an operating train.
Electric trains adopted, with the first appearing in 1897, produced from the U.S. firm Carlisle & Finch. As home use of electricity became more common in the early 20th century, electrical trains gained popularity and as time moved 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 and even load and unload freight. Toy trains from 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 the modern emphasis on realism in model railroading started 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.
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 into the 1970s). However, as a result of their high price, one is more likely to find an HO scale or N scale train set at a toy store than an O scale collection.
Many modern electric toy trains comprise sophisticated electronic equipment that emit digitized sound effects and allow the operator to safely and easily run several remote controller trains on one loop of track. In recent decades, many toy train operators will operate a train with a TV camera at the front part of the motor 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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