One source that remains a bit of a mystery is the solid pack case. These were 200-piece shipping cases that contained the same loose figure in a Kenner baggie.
The general consensus is that these figures were factory overstock and given the figures that have turned up in these cases, that is the most plausible explanation. These cases were almost certainly offered to retailers, but since most department stores and mass merchandisers typically didn't sell loose figures at any point of purchase, it is conceivable that Kenner had other purposes or target markets in mind. The known solid pack case assortments are Removable Limbs C-3PO, Prune Face, B-Wing Pilot, and AT-ST Driver. It is likely that solid pack cases existed of Luke Bespin (brown hair), R2-D2 Sensorscope, Nikto, 8D8, Emperor and AT-AT Commander as well. These particular bagged figures were available in abundance through toy dealers, especially those that specialized in factory overstock, during the early to mid 90's through magazines like Toy Shop and Tomart's Action Figure Digest. It also wasn't uncommon to find dealers at toy shows selling figures from these solid cases for a couple of dollars apiece. These solid pack cases account for the large supply of these figures seen on the market today. There are also credible stories of Kenner donating slews of bagged figures to local charities, hospitals, as well as Salvation Army thrift stores.