WASD To move your cube. Space to stamp it. Right Arrow Key for Next Costume. Left Arrow for previous The Movements are delayed by just over a quarter of a second so that you don't have an epic sneeze of color.
Thanks to Minecraft for the idea of Workbenches/Furnaces! By the way I will seriously consider community suggestions. (Don't believe me? Look at the tags.) And Thanks To @LazyCloud For The Sounds!