Circus Train Car 4

 is a limited-time premium decoration that was released on February 27, 2022, as one of the Gil's Deals as part of the Circus Train Bundle during the Act 3 of the Cirque du Springfield 2022 Event.

Trivia

 * Only one can be obtained.
 * It can be placed on grass, pavement, dirt, krustyland road, boardwalk, pier, edge of boardwalk, or edge of pier.
 * From Season 30, Episode 8 "Krusty the Clown".