from top left..
a1181..cosmetically good, screen seems to be intact
a1278..stickered top, back (and some internal parts have been removed) (see pic)), screen seems to be intact
a1278..dinged, back (and some internal parts have been removed) (see pic)), screen seems to be intact
a1502..housing good, trackpad cracked, screen seems to be intact
a1286..cosmetically good, back (and some internal parts have been removed) (see pic)), screen seems to be intact
not tested, for parts, as is, no returns. i cleaned out a repair shop that went out of business and was told these were mainly things never picked up by customers. not my personal devices, i will answer whatever i'm able to