This is bonus content only available for active Nintendo Switch Online members. These items can be downloaded for free and used in the Super Smash Bros.™ Ultimate game.

The set contains the following:
・All Primaries x10
・All Supports x10
・Rematch x5
・Sluggish Shield x10
・Shield Spacer x10

More details on the official game page of Spirit Board Challenge Pack 5 -Snipe your Target!- ...