You can get special Pokénchi Presents Pokeka Elementary School Tournament "Ze!" Original Sword & Shield Deck Boxes (Zacian and Zamazenta or Grookey, Scorbunny and Sobble) at the Event Sales area.
You have to spend 1500 yen on a Pokémon Card Game product at the Event venue to get this present.
Released December 1, 2019, while supplies last.
More information about this tournament: