The company Foxconn has admitted that underage children have been manufacturing iPhones and Wii Us in one of their Chinese factories.
http://www.ign.com/articles/2012/10/17/iphone-wii-u-manufacturer-admits-to-employing-children
http://www.ign.com/articles/2012/10/17/iphone-wii-u-manufacturer-admits-to-employing-children