Step 1: Open up the box
Step 2: Remove logo area.
Remove any part with a Company logo unless you can think of a way to use that too. I just don't bother with logos because I think the company gets enough publicity. If I could find a way to use it in an artful manner that would be another thing. You can save any plain white area if you wish to use also.
Step 3: Cut along fold lines of the box
Now you have several pieces to work with.