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.
Gray Bunk Beds with Stairs, Storage Drawers, and Under Bed Storage Drawers: Love how easy these are for kids to climb up and down the bunk stairs and they are so sturdy! And they look great with blue and white striped duvet covers.