You know those plastic zipper bags that many sheet sets come in? Have you noticed how most have a pocket or two where the cardstock-weight label is slipped in? Well, you can take that label out, make your own, and slip it right back into the pocket. You have instant organization for no extra money. Some ideas of things to store: playing cards, winter hats/mittens/scarves, stray socks, art supplies, doll clothes... and so on!