You can create an in-home course with a start line, finish line, barriers, and pennants for the Mario Kart Live: Home Circuit game for the Nintendo Switch system.
Mario Kart Live: Home Circuit' is not worth your money - The Washington Post
Game review: Mario Kart Live: Home Circuit - NZ Herald
Mario Kart Live: Home Circuit – How to play
Mario Kart Live Home Circuit is now £80
Mario Kart Live Home Circuit: What we just learned about Nintendo's AR racing game - CNET
Even At £100, Mario Kart Live: Home Circuit Doesn't Come With A Game Card
Mario Kart Live: Home Circuit, Mario Set - Nintendo Switch
If You're Feeling Creative, Mario Kart Live: Home Circuit Even Works With Ramps And Tunnels
Print & Play - Mario Kart Live: Home Circuit Race Course - Play Nintendo.
Mario Kart Live: Home Circuit™ for Nintendo Switch - Nintendo Official Site
Print & Play - Mario Kart Live: Home Circuit Race Course - Play Nintendo.
Mario Kart Live: Home Circuit - Luigi (Nintendo Switch) : Video Games
Nintendo Mario Kart Live Review: Mario Kart Racing IRL
Review what it will be like to play 'Mario Kart Live Home Circuit' that runs a real cart in a room made by Mario Kart operation on a self-made course - GIGAZINE