245 World Flags Flash Cards. Help children learn all different flags from around the world. Geography learning activity. Each card measures 4.25 inches by 2.25 inches. Each card is printed with quality ink on 110 lb card stock paper and laminated to protect your purchase. Hand made by Annette Sutherland, owner of Teach at Daycare in Arkansas City KS. Your flash cards will be shipped USPS Priority shipping in a Small Flat Rate Box.