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Well, this is quite deceptive, as the whole mouse wasnt exactle made out of wood, however just the casing of it was. Probably due to the fact that he didnt want to design a plastic mould if the idea didnt take off. Funny but, as the mouse was invented in 1963 hasnt really changed much. Essentially going from a one button clicker to a more common than not, 2 button clicker and a scroll wheel.