Stainless steel refrigerators are beautiful, but they can't seem to attract a magnet. These amazing Magic Whiteboard - s feature a substance on the back that allows them to stick where magnets dare not go. Stainless steel? Check! Wood-paneled refrigerator? Gotcha covered! A mirror? Here's looking at you, kid! These boards can stick to most nonporous surfaces and let you post your schedule or messages almost anywhere.