While the basic concept of LEGO bricks might ... Home Assistant. The train is programmed to run a few laps at the top of the hour and play choo-choo sounds from a mini MP3 player hidden in the ...

LEGO trains are fun to play with, but as with any model train, you so seldom have enough ... it’s actually possible to use mini-figures as track, too. Again, it’s a 100% legal technique ...