Eurofighter Lift: Knex Roller Coaster By untd103 in LivingLEGO & K'NEX6,133515Introduction: Eurofighter Lift: Knex Roller CoasterBy untd103FollowMore by the author: How to make a eurofighter hill out of knex for knex rollercoasters. For the second half of instructions click on this link http://www.knexguninstruction.blogspot.com