K'NEX CANNON By kenxman1990 in LivingLEGO & K'NEX8804Save PDFFavoriteIntroduction: K'NEX CANNON power firecrackers ammo airsoft bb'sStep 1: BarrelStep 2: BarrelStep 3: BarrelStep 4: AxelsStep 5: WheelsStep 6: CapStep 7: PlugStep 8: PlugStep 9: Back Wheels