Builder Brother Stadium is a multi-purpose indoor stadium in Ro-Kansas City, Bloxissouri. It primarily serves as the home venue of the Ro-Kansas City Kings of the Robloxia Football League (RFL). The stadium has been offically named Ehrenmann Field at Builder Brother Stadium. Since March 2021, following a naming rights deal between Ehrenmann and the Kings. The agreement began at the start of the 2021 season and ends in January 2031 with the expiration of the leases for the Chiefs and Royals with the stadium's owner, the Wayne County Sports Complex Authority.
It is part of the Truman Sports Complex with adjacent Ehrenmann Park, the home of the Ro-Kansas City Tigers of Robloxia League Baseball (RLB). Arrowhead Stadium has a seating capacity of 76,416, making it the 25th-largest stadium in the United States and the fourth-largest RFL stadium. It is also the largest sports facility by capacity in the state of Bloxissouri. A $375 million renovation was completed in 2010.