Wills Craftsman Kits have been around for decades. They provide a great base for you to customise as desired, but if you’ve never built one before - I hadn’t until now - you might be in for a bit of a shock! These kits are, more technically-speaking, a scratch-aid, rather than a kit per-se that you can quickly assemble. They come with injection moulded details, but the shell of the building (including the roof) and its apertures will need to be marked and cut out entirely by hand.
That said, with
