With just days to it's launch in the USA, Nintendo unveil a commercial they'll be running, while Nintendo Europe reveal their own mini-site for the game!

The game's advert features various people watching a NASCAR race on the television and, angry with how the race is going, throwing things at the TV, which actually pass through into the race, becoming Mario Kart-esque missiles.

Two versions are available for you to download from GameTrailers.com, click the links below and you're away:

Additionally, Nintendo Europe have uploaded their full, final site for the game, which can be found here. Like the American site for the game, it features full info on the game's tracks, courses, characters and weapons, plus you can hear music from the game while you navigate around it!