Yearbook Mystery Box
Wikisimpsons - The Simpsons Wiki
The Yearbook Mystery Box screen
The Yearbook Mystery Box is a permanent mystery box in The Simpsons: Tapped Out introduced in the A Classless Reunion content update in March 2019. The mystery box contains over 700 items, with each selection being split into groups of five. Buying the mystery box will get you one of the five items on display, with the option to refresh the box to get a new selection. The Yearbook Mystery Box costs 30.
Items
Characters
Costumes
Buildings
Decorations