The bus is large enough to fill it with action figures, coming in at 14.56 inches long by 8.79 inches wide by 21.84 inches high including the balloon.
Fortnite figures from the first chapter of the game.
If you want to make sure to fill the bus with characters from Fortnite, Jazwares is also pairing up the bus with a set of 10 action figures, each 4-inches tall, from the game's first chapter, dubbing the set The Chapter 1 Collection.