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.
|Item||Chance of Winning*||Item's Actual Price|
|Crouching Panda, Hidden Eggroll||5.8%||100|
|Duff Center Arena||6.5%||200|
|Incubator Think Tank||5.8%||100|
|King Homer's Skyscraper||5.8%||250|
|La Belle Frottage||5.8%||185|
|Little Lisa's Recycling Plant||6.5%||200|
|Rocket to Your Doom||5.8%||80|
|Simpson Laser Tag||5.8%||90|
|Wholesome & Sons Publishing||5.8%||80|
* Chances vary if one or more items already owned.