What is a way i can make a secret compartment in my room in the wall or floor. And make not obvious to see. I want it to fit a lot of stuff

Take the hollow spaces on walls, which are typically sheetrock nailed on 2" x 4'" beams that run vertically from floor to ceiling and are spaced 16...More?
Updated on Wednesday, February 01 2012 at 04:45PM EST
Collections: drywallceiling