The Mercer Homecoming National Tractor Pullers Association Truck and Tractor Pull will feature an additional mini tractor rods class during the July 31 event. Gates will open at 6 p.m. at 13600 Highway 65 in Mercer, and the competition is scheduled to begin at 7 p.m.Competition classes will include pro stock tractors, pro stock 4×4 trucks, diesel 4×4 trucks 3.0, naturally aspirated two-wheel-drive trucks, limited pro stock semis, and the newly added mini tractor rods class. Admission will be free for children 10 and younger. Tickets will cost $10 for ages 11 through 15, and $15 for attendees 16 and older. In addition to the truck and tractor pull, the event will feature food trucks and beverages for attendees.