There's also a third party Joy-Con charging dock that lets you juice up four Joy-Cons at once. It'll sell for $29.99 when it launches on March 31. Nintendo The Joy-Con wheel ( $15, Amazon ) Arguably more for younger, less hardcore Mario Kart 8 players, the Joy-Con wheel (you get two in a pack $14.99) lets you drop the Joy-Cons into a steering apparatus where the horn would be, then torque left or right to approximate the controls of an actual steering wheel.