Imagine trying to scratch build that! In any scale! Red Green would fit in fine on most shortlines! It's amazing the 'fixes' they come up with!
The train ride begins at 11:15. But the whole thing is good, though it helps to know that most muzzleloader firearms were one shot, and reloading took a minute or three.
This little guy was built in 1951 for a two foot gauge railway hauling coal at a mine in Ohai, New Zealand. It now belongs to The Blenheim Riverside Railway Society in New Zealand. I just realized that the locations of the two critters above are almost antipodes of each other on the globe.