Blue shells: the only thing that strikes fear and terror in the hearts of others in a heated race of Mario Kart. Luckily, with the limited edition of the upcoming Wii U title, Mario Kart 8, you can have a blue shell of your very own to lay waste to other Kart racers left and right.In a video posted on the Nintendo Wii U UK channel (and in a photo tweeted out by Nintendo Italia), the Mario Kart 8 Limited Edition has been revealed to include a blue shell statuette alongside a copy of the game for Wii U: just, please be safe and don't throw the blue shell around any people.Mario Kart 8 releases in the US for Wii U on May 30th, 2014 - in the meantime, you can check out the photo and trailer of the Mario Kart 8 Limited Edition below: