Lego Medium Crossbow By aadreveno in LivingLEGO & K'NEX72042Save PDFFavoriteIntroduction: Lego Medium CrossbowBy aadrevenoFollowMore by the author: In this instructable I will tell you how to make a medium crossbow there are no gears of any kind and only 5 technic pieces. Step 1: BodyStep 2: Firing MechanismStep 3: Stringing Rubber Band and Firing