Official NUS-013 Rumble Pak JPN Boxed For Nintendo N64

The Rumble Pak (NUS-013) is a removable device from Nintendo which provides force feedback while playing video games.
Requires 2 x AAA batteries (not included) and is inserted into the controller's memory cartridge slot.
Comes with original box.
Good all round condition and fully tested.

NTSC-J Japan version, but region free so will work on all UK / US consoles.