For some time now, I’ve had a fischertechnik Bau-Spiel-Bahn laing around here somewhere, waiting - initially for new tracks, then for some kind of actual “application”. Here it is - putting marbles on rails…
There’s a separate making-of video - with a construction time of over 9 hours, the timelapse didn’t fit into the main video even when using a compression factor of 120:1.