Micke Add-on Unit-high, White + Spontan Magnet, Assorted Colors - You can keep your desk clear of paper by writing your notes on the magnetic writing board on the back panel or fastening your to-do lists there with a magnet. - Extra room above the top shelf where you can keep your books, CDs or DVDs. The side panels act as bookends and keep everything in place. - You can adjust the shelves to fit different things, and adjust them again whenever you need to. Adjustable shelves help you use your space more efficiently.