Fun Bus 623 Eagle Rock Ave, West Orange, NJ07052 Fun Bus is a party service and fitness activity company for children with this location serving Essex County and the…More surrounding areas. The bus is a full-sized, climate controlled school bus. The seats have been replaced with walls and carpeting. The padded and safe equipment changes from week to week. The bus can park anywhere including driveways, parking lots, schools or on the street. Classes and parties are available.