I've never seen it done, but it seems simple enough. Like an iBook, those items are made of clear polished plastic....unlike an iBook, it isn' painted. It should be a "simple" task of taking them apart and painting the inside with any sort of model car spray paint. You an find small cans of spray paint at any hobby shop. The usually have a good selection of colors and the paint is really high quality. That's what I do for iBooks that I mod.