The latest instalment of Nintendo’s colourful racing extravaganza, Mario Kart, is released later this week on its Wii U console. Metro asks what makes the series so special and whether Mario ...

At launch the Hot Wheels Mario Kart Replica Die-cast assortment will include Mario, Yoshi, Luigi and Bowser with many additional characters coming soon such as Princess Peach, Koopa Troopa and Toad.