The official My Nintendo store is selling download codes inside physical boxes for Pokémon Let’s Go Pikachu, Let’s Go Eevee and Super Smash Bros. Ultimate in Japan. These will be usable when the games launch on November 16 and December 7, respectively. The option of offering physical boxes alongside digital codes allows fans to display them on a shelf for show. To see everything My Nintendo has to offer, click here.
Source: My Nintendo store (Japan)