We've practically ditched all of our CD collection for digital media (though our vinyl collection remains intact), and we think many of you Unplggd readers are following suit as CD sales shrink and digital downloads grows. That may mean you might have some extraneous CD storage cases lying around. What to do, what to do? How about making your own portable MP3 playing speaker system out of it, as shown in a recent Instructables by contributor fatrickuk?
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