Wii Wheel
The Wii Wheel is an accessory for the Wii, however not included with the Wii. This wheel will actually be included with Mario Kart Wii. The Wii Wheel is used so players can control the characters much easier in the game. It is a steering wheel seen in cars, that players can optionally use to control the game. However, the Wii Remote must be inserted inside the Wii Wheel, or else the wheel won't work.
Prototypes
In the first prototype, it was made because Nintendo was trying to discover the best position to put the Wii Remote, and they don't decided where the B Button would be used, so there is nothing on the back.
For that prototype, they checked real go-kart wheels, and they discovered that they are usually square then round.
That prototype is the basis for the final Wii Wheel. This prototype has a window for using the Wii Menu and has a hole for the B Button
That prototype has a B Button in the Wii Wheel itself to child’s finger can reach.
This prototype use a two-tone color scheme, because cars's steering wheel isn't all white, but they decided to make it all white because the Wii Zapper and the Wii Balance Board are pure white, so it seemed natural to make the Wii Wheel pure white as well, also, they puted a blue ring in the back. As a result, they puted the ring in the Mario Kart Wii logo
Specials
Kenichiro Ashida did those Wii Wheel to show at the Iwata Asks about Mario Kart Wii. It's unknow if they will be sold.
