Here is my list of Accessories joypads, addons, systems etc everything that is not a game basically.
OFFICIAL NES ACCESSORIES      
Action Set (PAL) Nintendo NES System CIB
Control Deck (PAL) Nintendo NES System CIB
NES Max Nintendo Control Pad CIB
Four Score Nintendo 4 Player Adaptor CIB
NES Advantage Nintendo Arcade joysick CIB
Dog Bone Controller x4 Nintendo Controller C
R.O.B Robot Nintendo Addon device CI
R.O.B Robot (variation) Nintendo Addon device CI
M82 Store Demo (PAL) Nintendo 12 Slot display unit C
M82 Store Demo (PAL) Nintendo 12 Slot display unit CIB
Zapper (Red) Nintendo Gun CIB
Zapper (Grey) Nintendo Gun C
UNOFFICIAL NES ACCESSORIES      
Batman Joystick Cheeta Joystick CIB
Bart Simpson Joystick Cheeta Joystick CIB
Terminator Cheeta Joystick C
Pro Action Replay - Cheat Device C
OFFICIAL FAMICOM ACCESSORIES      
Famicom Disk System Nintendo Famicom Addon CIB
A/V Famicom Nintendo A/V Famicom C
Twin Famicom Nintendo FDS + Fami in one CI
UNOFFICIAL FAMICOM ACCESSORIES      
Game Theory Admiral Mystory Portable Famicom CIB
Game Axe Redent Portable Famicom CIB