Somewhat belatedly, a new Super Mario 3D World panel has joined StreetPass Mii Plaza’s Puzzle Swap minigame.
This arrives some three months after the Wii U exclusive’s release, the panel being the, as now standard, 8 x 5 size with eight pink puzzle pieces populating the centre which can only be obtained through StreetPassing other players.
You should automatically receive this if you have SpotPass enabled, so keep a look out for it!