Mario A. Bollini ’09 takes a break to sit and chat with some of the community members that are testing his new module for a hand-powered tricycle in Nairobi, Kenya. Christina Kang—The Tech May. 9, 2016 Facebook Twitter Reddit Print Mario A. Bollini ’09 takes a break to sit and chat with some of the community members that are testing his new module for a hand-powered tricycle in Nairobi, Kenya. Christina Kang—The Tech