One of its features is a very solidly constructed transport cradle which not only makes handling its 52lbs weight safe and comparatively easy, but also allows the model to be stood on end, back, etc., so as to inspect or adjust its mechanisms.
One of these is I believe, a real Meccano first: an accurate reproduction of the Gresley conjugated valve gear, which derives the valve events for the inside cylinder from the valve rods of the outside ones.