Embellishments in a Snap - Repurpose a pillbox for an eye-catching storage system. The tiny containers hold dozens of eyelets and are easily embellished with a label and preview of what's inside. Would also work for jewelry findings like jump rings!
Sewing kit. Nancy Note: I use suitcases for things like this all the time. I have fabric sorted by color in some, notions in some, patterns in some, and sewing tools in some. I put luggage tags on all of these so that I can tell quickly whats in each one.