Knex FlameThrower By SLDxRaPiiDZz in LivingLEGO & K'NEX2,484629Save PDFFavoriteIntroduction: Knex FlameThrowerBy SLDxRaPiiDZzFollowMore by the author: This is my Knex flamethrower (not working) I think it is the first on the site correct me if im wrong.