There are 40 karts total in Mario Kart World. You’ll start with 11, and you’ll need to unlock the remaining 29 by playing the game.

You can obtain Mario Kart World’s unlockables through various methods, so here's how to get new stickers, karts, characters, and costumes.

Stickers are strictly visual customization items serving as one of the main collectibles of Mario Kart World. They can be used to add a bit of flavor to your profile, karts, and scoreboard. Think of icons and player cards in modern Call of Duty titles, for example.