Use drawer slides; mount the drawer on the wall; attach the shell to the slides, so it pulls out. Shifty Desk / Hallway Stand by Daniel Schofield This is such a great storage idea! It can be a shelf and a drawer.
A space for your secrets. The latest project by Japanese studio Torafu Architects may look like a standard floating shelf, but it actually contains a slim secret drawer that can be opened with magnets.
The Lattice Window Box w/ Cleat Mounting System. You simply mount the cleat to your wall and hang the box off the cleat. The cleat is recessed inside the back of the box wall for easy mounting flush to your wall.
Red Velvet Poke Cake--Very tasty and cheap to make. I used Duncan Hines Red Velvet Cake Mix, Jello Cream Cheese pudding, and Cool Whip, and it was still only a few bucks to make. The cake has to cool/set in the fridge for about 2 hours.