Question: what do you use the coins for in mario kart 8?
Answer: Mario Kart 8 Deluxe coins: A primer Coins first appeared in Mario Kart for SNES. Now they're back in MK8 Deluxe to offer a variety of uses. Coins serve three main functions: offering players a tiny speed boost, contributing to a kart's overall top speed and unlocking new items when the race is complete.