Classes will be offered at the ISUEO Sac County Office parking lot for adults and 4-H members every Wednesday starting April 27 at 6:30 p.m. until the Sac County Fair. The cost will be $15 and a vet record must be brought to the first class. Any 4-H members wanting to show their dog in the dog show must attend the classes. Adults are also welcome to attend the class and exhibit in the Open Class Dog Show at the fair. The 4-H and Open Class dog show at the Sac County Fair will be Friday, July 29 at 3 p.m. To sign up for the class or for more information please call the Sac County Extension Office at 712-662-7131.