K'nex Grenade By felix46671 in LivingLEGO & K'NEX24424Save PDFFavoriteIntroduction: K'nex Grenade By felix46671FollowMore by the author:.SuppliesConnectors 16 green 2 white8 orange 1 rubber band Step 1: .Step 2: .Step 3: .Step 4: Finished .