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
CV | Nintendo Wii Cheddar Cheese Prototype Controller
Random: Japanese Auction Reveals Wii Remote Prototype For The GameCube | Nintendo Life
Wii Prototype Controllers WORKING on GameCube Dev Hardware - YouTube
Wii Remote - Wikipedia
Wii - Wikipedia
A Fond Farewell to the Craziest, Longest, Most Eventful Console Generation Ever | WIRED
NINTENDO64 precious prototype controller photo will be released - GIGAZINE
CV | Nintendo Wii Classic Controller Prototype
Prototypes Of The Wii Remote, Nunchuk, And Classic Controller - Siliconera
Sony and Microsoft Both Passed on Wii's Motion Technology
/cdn.vox-cdn.com/uploads/chorus_image/image/61938061/DqfGLkyXQAA1qCt.0.jpeg "Original Wiimote prototypes photos show cool, if subtle, changes - Polygon")
Original Wiimote prototypes photos show cool, if subtle, changes - Polygon
Wii Prototype" Goes Unsold On EBay | Nintendo Life
CV | Nintendo Wii Classic Controller Pro Prototype
Nintendo Shows Off Its Wii U Prototype - Game Informer
Early Wii-U Prototypes - Wii U Wiki Guide - IGN
/cdn.vox-cdn.com/uploads/chorus_asset/file/13346731/GCremo5.png "Original Wiimote prototypes photos show cool, if subtle, changes - Polygon")
Original Wiimote prototypes photos show cool, if subtle, changes - Polygon
Wii Remote prototype fetches nearly $700 at auction
Nintendo's Wii U GamePad prototype revealed: Two Wii remotes, a display and some tape | Engadget
History Lesson: 'GyroPod' Controller Laid Ground Work for Wii Remote | WIRED
Wall Mount Stand Display for Wii Remote Controller Wiimote - Etsy
Ultra Rare GameCube Prototype With LED Lighting And Unique Controller Discovered by Collector - IGN
![Nintendo Wii prototype Wiimote controller - Download Free 3D model by rtql8d (@rtql8d) [fbe183e]](https://media.sketchfab.com/models/fbe183ea9d2047d0976bb73bfc7b39bd/thumbnails/8f02f2ddb72c499abbea73aed96e406f/8e751e7130f5441da9c454e2a2aa51ff.jpeg "Nintendo Wii prototype Wiimote controller - Download Free 3D model by rtql8d (@rtql8d) [fbe183e]")