Magnetique Shelves, designed by Swen Krause in 2000 consists of a steel sheet and boxes made of FU (birch plywood). The steel sheet can be fixed onto the wall in a horizontal or vertical way. The backsides of the boxes feature a special, extra strong foil magnet which sticks to the metal sheet in any position.
You can "build" a different new shelf every time you change the number, size and arrangement of the boxes.
Available at moormann.de