The 2.009 Silver Team uses its zipline-based contraption to cross the lilypads for the 2015 2.009 Build Challenge on Killian Court on Friday, October 9. Landon carter—The Tech May. 9, 2016 Facebook Twitter Reddit Print The 2.009 Silver Team uses its zipline-based contraption to cross the lilypads for the 2015 2.009 Build Challenge on Killian Court on Friday, October 9. Landon carter—The Tech