A statue of everyone's favorite hero, Mario. Just looking at this statue can cheer you up.
I'll explain some of the headers. Type-
Building: Can be placed in non-grassy spaces, and not on grassy spaces.
Decoration: Can be placed in grassy spaces, and not on non-grassy spaces.
Special: eg. Special Course pipes, Bonus Game Houses, Character Houses, ? Blocks
Shop: via Kingdom Builder shop
Remix 10: Bonus Game or Super Bonus Game in Remix 10
Event: eg. Gold Goomba event, Promotional event (Mario Kart 8 Deluxe, Super Mario Odyssey)
My Nintendo: Redeem points for items