There's no better way to add an element of realism to your train set than to light it up. Many of today's trains feature lighted train sets, railcars with interior lights, and lighted signals and crossing gates. But why stop with the train? The layout and accessories can be lighted as well: everything from automobiles to skyscrapers can be purchased with working interior and exterior lights that will make your set come alive.
Most train sets with sound effects of some sort are available, but if you're thinking of adding a state-of-the-art sound system, look no further than Railsounds. The new Railsounds 5.0 system features crew-talk dialogue, chugging sounds that intensify as the locomotive gains speed, a multi-whistle effect that simulates blows at different steam pressures, and independently adjustable volume control. In addition, the system includes a remote control that allows you to custom-operate all sound effects.
If real steam is your thing, you may want to look into a live-steam toy train. A few manufacturers carry them pre-assembled or carry kits with which you can build your own, but most live-steam trains are made by hand, from scratch. The most important component of a live-steam train is of course the locomotive, which is the power source. Several types of locomotives are powered by steam pressure generated inside a boiler by a fire contained in a firebox. (These locomotives are not really for play, though, as their fuel sources are alcohol or butane-lighter cartridges.)
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However you decide to upgrade your model train set, lights, sounds, and other lifelike additions can be the difference between a toy and a realistic railroad scene.