This stylus is designed to fit into the New Nintendo 3DS system and easily snap inside the convenient storage slot on the bottom edge of the system. It will only fit in the storage slot on a New Nintendo 3DS, however, it can be used with, but will not fit into the storage slots of any other Nintendo DS or Nintendo 3DS family system.
NOTE: To avoid damage to the touch screen of your Nintendo DS system only use a Nintendo licensed stylus on the touch screen.