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Make sure you feed the carpet monster first, before you start the fiddly bits!
I'm pretty sure the seat should be reddish brown. The crowbar should be there, but I read somewhere that it should be silver instead of red, which was a post war thing.
Looking great there Jay. Is the last item one of the gun bays? If it's not too late, the compass barrel was normally a mid grey colour, and I notice the undercarriage selector is still the MkV version, instead of the hand pump of the Mk1 and MkII.
Good work though, and you're right about the small detail parts - at least 50% of it can't be seen.