This Sunday, at the OC Marketplace inside the OC Fairgrounds is their 9th Annual St. Patrick’s Day Celebration and Green Festival. From 10 to 4 PM there will be entertainment, a blood drive, games and crafts, free face painting and more. Admission is just $2 for adults and free for children 12 and under. This Sunday, bring a pair of used eyeglasses to donate and receive free admission. You can find more information here.