If you have been following this blog, you may have seen one or two pictures of little narrow gauge locomotives - I should mention that these are all made by Colin - 'scratch built' is the phrase used.
Colin uses copper pipe, plasticard, wire, and assorted pins and nails. The smoke stacks and steam domes he turns from pieces of brass on a small lathe.
Last night we met at his house, and he had a small N gauge layout set up, which fortunately is the right track gauge for the 009 locos that will be running on the Teifi Gorge Railway.
Here are some of the fleet:

 To give you an idea of the size, here is a picture taken of the larger of the saddle tanks during construction: