Hudson Baby Infant and Toddler Silicone Stacking Toy in Rings is the perfect toy for your little one to develop their problem solving skills and dexterity. Made with BPA, PVC, and phthalate-free silicone, this toy is safe for all ages and developmentally appropriate for ages 6M+. The colorful rings are easy to grasp and stack, making it a fun and engaging activity for your baby or toddler.