Catching Meltan in Pokémon GO and obtaining the Mystery Box
Pokémon GO connectivity with Pokémon HOME | Official Website | Pokémon Sword and Pokémon Shield
Pokémon GO: How to Farm Mystery Boxes for Meltan | The Nerd Stash
Leek Duck - FAQ: Q: Can I get a Mystery Box from this? A: Yes. Transferring a Pokémon to HOME will give you a Mystery Box. Q: Is Shiny Meltan available? A: