Long is a model railroader and a member of the Great Falls Model Railroad Club (GFMRC). He, like most of the club’s 125 members, enjoys working on the club’s HO layout and operating trains.

The sensor was small enough for an N-gauge train, which translates to 1:148 scale or about 9mm from rail to rail. His idea was to build a tiny control board that could fit inside the locomotive ...

The centerpiece of the West Island Model Railroad, located in Hicksville, is the incredibly detailed Allentown, Pennsylvania train station. Compare the model to the actual station, pictured in 1960.

To start out, a collection can begin at $125 and get higher depending on what types of trains and sets you wish you build,Walterreit said. "I've been fascinated by trains since I was 2 or 3," said ...