Lucky Shamrock Charms. Keep a little luck of the Irish near you at all times with these Lucky Shamrock metal charms. Perfect for bracelets earrings necklaces or crafts these 3/4 three-leaf clovers are perfect for adding a little green to any St. Patty's Day accessory. And with 36 pieces per unit you'll have lots of luck to wear and share! OTCAge RecommendationAges 8 & Up Containing many pieces of all shapes and sizes and made from a variety of different sturdy materials some of which include sharp edges or points including glass beads ceramics or metals. Activity may require weaving beadwork knotting or special glue.