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

LEGO trains are fun to play with, but as with any model train, you so seldom have enough track to fulfill your greatest desires. YouTuber [brick_on_the_tracks] has come up with some creative ideas ...

We've seen plenty of strange custom Lego builds over the years ... Sure, some people might call this a Lego train since it rides on wheels and, admittedly, also moves like a train.