(01 Jun 2016, 2:09 pm)NK53 TKT wrote I was on board a clever train yesterday in LEGOLAND Windsor of all places which uses a pulley system to control it:
https://www.youtube.com/watch?v=rMWTEe3vSyQ
http://www.hows.org.uk/personal/rail/lego.htm
You could have gone to the Bowes Railway man. Similar set up there with the rope pulleys.