The Building Mystery Box is a premium limited-time mystery box that was released on November 23, 2017, as part of the Black Friday Mystery Box Extravaganza 2017 Promotion.

It was re-released on November 20, 2018, with the Black Friday 2018 Promotion with the same items available.

Prizes Edit

Item Chance of Winning* Item's Actual Price
Bastille 5.8% France Pins Icon25256
Beach House 5.8% Donuts120
Blarney Castle 5.8% Donuts115
Column Mansion 5.8% Donuts120
Crouching Panda, Hidden Eggroll 5.8% Donuts100
Duff Center Arena 6.5% Donuts200
Incubator Think Tank 5.8% Donuts100
King Homer's Skyscraper 5.8% Donuts250
La Belle Frottage 5.8% Donuts185
Little Lisa's Recycling Plant 6.5% Donuts200
Moe's House 5.8% Donuts110
Rio Days-Inn-Ero 5.8% Donuts100
Rocket to Your Doom 5.8% Donuts80
Royal Tokyo 5.8% Donuts80
Simpson Laser Tag 5.8% Donuts90
Springfield Greenhouse 5.8% Donuts80
Wholesome & Sons Publishing 5.8% Donuts80

* Chances vary if one or more items already owned.

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