1. a treehouse on the town tree when it grows big enough and also it grows with the tree. and like the campsite a vilager will randomly hangout there (and you can have 2 or 3 as the treehouse grows) and you can play minigames with them.
2. a toy store where you could always get things like balloons, glow wands and the throwing beans much easier.
3. a scale that the character can stand on (and be shocked if it tells them theyre fat.

)
4. a food store where you just buy food to eat
5. a kiddie pool to play in
6. a scratching post, cause wynaut?
7. giant letters/numbers than can be used to put up messages for visitors.
8. music box so you can listen to KK tunes outside anytime
9. a mailbox so you dont have to always run up to the post office to deliver mail, also if you get something to give to a villager but said villager moved or you just dont want to waste time finding them you can put the item in the mailbox to get rid of it
10. beach chairs/towels that can be set up on the beach to sit/lay down on, also the ability to set most PWPs on the beach