The Hernando County Fairgrounds, located at 6436 Broad St. in Brooksville, is hosting the Firecracker Smash'm Up! event Wednesday, July 4, 2018 starting at 4 p.m. There will be a demolition derby, live music, crafts, games, bounce houses and pony rides. Parking is $5 and the derby is $10 for adults and $5 for kids ages four to 12, children under three are FREE.