The Clarion County Fair will end its annual festivities Saturday at the Redbank Valley Municipal Park. Those who attend might catch a glimpse of the animals from the adult showmanship contest, which took place Thursday. Events on the agenda for Saturday include a second round of the Derby Dogs Demolition Derby, with Power Wheels at 6:30 and trucks, minivans and full-size cars at 7 p.m.. Registration is at 3 p.m. The gates open at 9 a.m., and carnival rides from Bartlebaugh Amusements will be in operation from 1 to 5 p.m. and 6 p.m. to close.