I think it would be great to have a bag or a trinket box to store my new beads and/or pieces of artifacts in, or some sort of small display cabinet to help me keep these precious things together and in one place.
Now, what would be cool is a 4-slot or 8-slot glass-fronted cabinet for displaying things in your tower that isn't bead/artifact specific. You could use it for artifacts but also for dolls, holiday items, or whatever else you want to display. It would be "locked", that is unavailable to keyholders or any other player.