Black Shell

Black Shells are black shells of unknown origin that appear in the Mario Kart GP series. Its effects are similar to a Winged Spiny Shell, explodes suddenly when knocks on. Although unlike a Winged Spiny Shell, it can only be fired straight and is a bit more common to get. It is possible that these are the shells of a Nokobon, as they are both black and they both explode.

Black Ninja Koopa of the Koopa Bros. has a Black Shell. Wether or not he is the one who made more as weapons is unknown.