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

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