13 buildings you have a chance of winning with the Premium Mystery Box.
Duff Stadium - Chance .090909
Try 'N' Save - Chance .181818
Aztec Theatre - Chance .272727
Springfield Observatory - Chance .363636
Planet Hype - Chance .454545
Mount Carlmore - Chance .545454
Fireworks Candy and Puppy Dogs - Chance .636363
Asia De Cuba - Chance .727272
Open Air Stage - Chance .818181
Sprawl Mart - Chance .90909
Springfield Museum of Natural History - Chance 1
If you already own the above, you will win the following;
Ferris Wheel - If you already own - Duff Stadium, Try 'N' Save, Aztec Theatre, Springfield Observatory, Planet Hype, Mount Carlmore.
Lard Lad Donuts - If you already own - Fireworks Candy and Puppy Dogs, Asia De Cuba, Open Air Stage, Sprawl Mart, Springfield Museum of Natural History.