How to Make a Mini Micro Knex Crossbow By masterchief1257 in LivingLEGO & K'NEX3,629215Introduction: How to Make a Mini Micro Knex CrossbowBy masterchief1257FollowMore by the author: Hay guys this is my first knex instructable so hope you like it. This very small crossbow can shoot 35 to 40 feet!