Auuuuuuugh, ohman this one's just totally nuts-!! (And I mean that in the very best way!) Loooove your crisp clear way of coloring and shading, it absolutely makes this piece pop, and all those complex functions ohman, I, I, I just keep noticing new details~ *-*
Another great design! There are lots of nice features, but a little one stands out to me- the sliding rear ladder. That is a really neat touch (though there are plenty others throughout). It looks like you've managed to get a good vision in your head for this design, and have transferred it well.