The Tar Pits is a limited-time premium building that was released on February 18, 2015, as part of the Superheroes 2015 Event. Upon completion, Petroleus Rex is unlocked.
It was re-released on June 20, 2016 for the Superheroes 2016 Event. It returned again on September 12, 2018 during the Super Powers 2018 Event. It was a possible prize in the Mystery Box The Sequel.
Jobs Involved Edit
Tar Pits with Petroleus Rex
Springfield Tar Pits Sign in the show
Springfield Tar Pits from "Bart Gets an Elephant"