I don't see any unusual tricks of perspective. A better name might be "paper cafe" rather than 2D cafe as it reminds me of paper dolls and paper dollhouses.
That thing is insanely expensive! Is there something special about it to justify the price tag?? I feel like I'd be cheap and buy some poster board and make kids build their own(?)
https://www.amazon.com/Qaba-Folding-Cardboard-Coloring-Playh...