Knex Pistol: Contest Entry By jamesdude in LivingLEGO & K'NEX7409Introduction: Knex Pistol: Contest EntryBy jamesdudeFollow More by the author: About: I am a knexer. HAPPY NOW? More About jamesdude » my entry to oblivitus's knex gun contest 3. the gun is being dropped out the window 35-45 ft. it is a white thick gun.