The official Monster Jam World Finals Event Tee is here, don’t miss your chance at owning one!!  This tee features images of Grave Digger, Maximum Destruction, and Grinder on the front, along with the Monster Jam World Finals XII Las Vegas logo.  Displayed on the back are images of the Monster Mutt and El Toro Loco monster trucks, along with the logos of all 24 competing monster trucks.