Where is the Mario Kart Live: Home Circuit game cartridge

Is there a physical Mario Kart Live: Home Circuit game cartridge? The Nintendo Switch remote control racing game has launched, but it is without a cartridge.

Mario Kart Live Home Circuit (Mario) — Gobsmack Comics

Nintendo Mario Kart Live Home Circuit Luigi Set Limited Edition Ninten

Replacement Gates Mario Kart Live: Home Circuit Can Be Printed For Free Or Ordered From Nintendo – NintendoSoup

Mario Kart Live: Home Circuit Unboxing, Setup & Gameplay!

Mario Kart Live: Home Circuit Mario Set (Damaged Box) (Switch)

Poll: Mario Kart Live: Home Circuit Is Out Today On Switch, Are You Getting It?

Mario Kart Live: Home Circuit -Mario Set - Nintendo Switch : Nintendo of America

Even At £100, Mario Kart Live: Home Circuit Doesn't Come With A Game Card

Mario Kart Live: Home Circuit -Mario Set - Nintendo Switch : Nintendo of America