In order to keep the bricky appearance of the train engine intact, [Travis] hollowed out a few cheap imitation LEGO bricks to house the electronics. He also cut out slots for JST connectors ...

If you’re really strapped for cash though, you can go as far as using cardboard ... We’ve actually featured other LEGO train hacks before, like this neat automatic decoupler design.

There's just something calming and soothing about watching trains go round." Brandon says that ... with the Twin Cities Lego Train Club, which also has a massive Lego display inside the museum.