Two years ago, I picked up a bunch of ArtBin 9101AB boxes for 9$ each in a pre-Christmas sale. They stack nicely, and I use them to store zippers, fold over elastic, sewing feet, beads … all sorts of craft supplies. I’m trying to use them to store my embroidery thread. I have a lot — a whole rainbow of colors, plus another box with grays, browns, and ‘special’ thread (metallic, glow in the dark). But the little bobbin cards aren’t quite big enough. It’s still an improvement over random skeins of thread, and unused portions can be wrapped around the bobbin card to ensure you know exactly which light blue that bit is. Hopefully I’ll come up with something that keeps these things upright … other than stuffing the box so there’s nowhere for them to move 😀