Did you ever think of just taking a felt marker and writing the content names on the blue boxes? Then you wouldn't have to open and close them. Just shuffle them. Your arrangement probably takes up less total space, though.
One suggestion: the rusted drop tube in the upper left compartment can be stopped from further pitting by degreasing it and putting it into Evaporust or Rust Release for fifteen minutes or so. The rust will turn black, and you can then just rub it away with fine steel wool.
