I've compared the prototype E3 gamepad against the retail version. Nintendo did make some changes after the E3 in 2011 when they exhibited the console. : r/wiiu
The Nintendo Wii U: Virtual Reality Gameplay Prototype? – Colin McMahon
Nintendo Leak Reveals Wii-Mote Prototype
Nintendo muestra un prototipo del GamePad de la Wii U: dos Wiimotes pegados a una pantalla | Engadget
Wii U Gamepad Prototype vs Product – SideQuesting
Has anyone notice this (prototype nunchuck connection) its weird : r/wii
Everything You Love About the Switch, the Wii U Did First - IGN
Fan's GameCube may actually be an early Wii prototype used at E3 - Dot Esports
Iwata Reveals How Nintendo Developed The Early Prototype For Wii U | Nintendo Life
Nintendo Wii U, precio y lanzamiento
Press The Buttons: Mystery Of The Nintendo Star Controller Solved
Nintendo Wii Prototype, Debug & Sample Hardware
Nintendo Wii U,pantalla,2mandos,cargador,2nunchuck de segunda mano por 165 EUR en Valencia en WALLAPOP
Early Wii-U Prototypes - Wii U Wiki Guide - IGN
Nintendo Wii en venta en Ecatepec de Morelos | Facebook Marketplace
Wii Prototype" Goes Unsold On EBay | Nintendo Life
CV | Nintendo Wii Revolution Prototype Controller
El prototipo de Nunchuk de Wii parece incluir vibración - Nintenderos
Los prototipos del mando de Wii salen al fin a la luz - HyperHype
CV | Nintendo Wii Classic Controller Pro Prototype
I've compared the prototype E3 gamepad against the retail version. Nintendo did make some changes after the E3 in 2011 when they exhibited the console. : r/wiiu
Prototype Wii Remote Accessory for Nintendo GameCube Surfaces - YouTube
Prototype Nintendo Wii remote turns up at auction | Engadget
Japanese auction reveals Nintendo's first Wii remote—for the GameCube | Ars Technica
Nintendo Wii 2 'Project Café' prototype video leaks | TechRadar
Cabel on Twitter: "A wild prototype Nintendo Wii. The Wii Remote isn't wireless, but connects via coax!? Neat. It sold for ¥61,000 ($590) https://t.co/3chQPwjh8L" / Twitter
Wii X | Video Game Fanon Wiki | Fandom
/cdn.vox-cdn.com/uploads/chorus_asset/file/13346731/GCremo5.png "Original Wiimote prototypes photos show cool, if subtle, changes - Polygon")