Knex Bow By knex rbg freak in LivingLEGO & K'NEX4,447914Introduction: Knex BowBy knex rbg freakFollow More by the author: About: i live in Australia so shut your gob More About knex rbg freak » this is a knex bow i made. Its my first instructable so don't say it is crap. its pretty powerful bow i have only been using one elastic band. Tell me if you want me to post it.( :