Secret Santa is such a nice guy!
He took the time and trouble to source a pair of these from-in this case Block and Quayle- before struggling down the chimney to deliver on Christmas Day-What a guy 'cause these things aren't light.
The upshot of all this is that they can support layouts up to 2ft wide and at heights up to 1.3metres- 4ft in old money. This means, in the case of Hillbrow that you have to stand back slightly to view the layout.