N-Bot, Brazilian robot wins second place on 10-dollar robot design challenge

http://robotics-africa.org/design_challenge.html

http://spectrum.ieee.org/automaton/robotics/diy/winners-of-10-robot-challenge-announced

http://www.wired.com/design/2012/09/afron-winners

http://www.natalnet.br/~aroca/afron/