Recently I've been thinking about clearing out some boxes I have taking up space, but a few of them have parts in them that have been upgraded. By that I mean parts that have been replaced by upgrade sets. Like, I got the big set for Gen Selects Black Zarak, so I now have his old upper thighs and guns left over. Now I can probably find a spot for his old guns, but I'm never going to "downgrade" the figure, so his old leg parts are just kind of taking up space. The simplest solution seems to be to just throw them out, but the collecting monster that lives in brain rebels against that idea.
What does everyone else do with old upgraded parts?
What does everyone else do with old upgraded parts?