Motor Racing Sonic in Mario World

It’s no longer a secret that there are different worlds. World people, the cosmic world, the world of fairy tale characters. But there characters live without meeting each other, as if every great world is divided into smaller still. Disney’s Heroes, for example, live in his Dineylende and can meet and spend time together. But Sonic hedgehog and Mario the plumber never met before. But, once Sonic wanted to travel so that he decided to go where’ve never been before.