It will feature some of the East Troy Trolley Museum’s main line and operation, small pieces of both the town of Mukwonago ...

Dennis Lakomy has been collecting and running model trains since his dad gave him his first model train set in 1962.

He explains it in his own words in the demo video. 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 ...