I've been contemplating the AT-ST's size... It's, due to the articulation, quite large in height, as it should be. AT-ST's at rest are significantly more squat, but when they're prepared to move they're sort of like an animal (due to the model's design) in that they're "up at the ready" on their legs. Which I assume that is where their height measurements would come from, rather than "at rest", as they're supposedly capable of squatting like shown in the slide as well.
Anyway, in the packaged shot, notice that the AT-ST is NOT fully extended for height. It's "at ease", as it was when Chewie parked it in front of Han. It's significantly shorter then. When walking, it's much taller though. This is best exemplified by the shot of it "walking" in the slide there.
I've got some side-by-side comparing I'm curious about...
