I have a couple of bobbin box organizers, here's one on Amazon.com
http://www.amazon.com/Bobbin-Box-Org...8226789&sr=8-1
But you can get them anywhere, Nacy's Notions sells them here's one from her
http://www.nancysnotions.com/product/bobbin+box.do . Nancy also offers the same ones as Amazon.com as a 2 pack deal. Mine are more clear hard plastic like the 2nd link that Nancy offers. They're cheap and easy to see your bobbins.
Blessings,
MaryAnna