Have you ever played Super Mario Bros. with nothing more than Pay-Doh, played piano simply by walking up the stairs, or danced to Dance Dance Revolution by putting your feet into buckets of water? Led by the belief that 'everyone is an inventor', two graduate students from MIT's Media Lab have created a printed board that lets you turn everyday objects into touchpads. From bananas doubling up as keyboard keys, to pencilling in your very own joystick.