https://techcrunch.com/2018/06/25/oh-the-things-i-would-do-to-get-this-cardboard-style-nintendo-switch/

Nintendo is building on its strange but wonderful cardboard Labo platform with some sweet Mario Kart integration and a truly fabulous limited edition Switch with a faux-cardboard finish. It really is just the greatest thing and I would do terrible things to have it. Unfortunately some smart kid will probably get it, because you have to win it by designing something cool with Labo.

So, first the Mario Kart stuff. If you have Mario Kart 8 Deluxe for the Switch, and you really should because it’s excellent, you can now use the Toy-Con (buildable with the Labo Variety Kit) as a sort of real-world controller. You twist the right “handlebar” to accelerate and rotate the whole thing to turn.