In my stash with good intention

I do have a few items that I have stockpiled over time.  They are nice and interesting.  The problem: they are sitting there, not being incorporated into any projects.  It is always my problem.  I go shop, see various interesting component.  Then I think: it is great, I could find something to use that!  Once home, it goes to the stash and they stay there.  Here is a few example of possible crafting items that are currentlysitting there for a long time: