Preferred age: 6m The Enamel Massage Ball Set includes six vibrant balls designed for infants aged 6 months and older. These colorful enamel-coated balls provide a unique tactile experience, helping to stimulate sensory development in young children. Perfect for small hands, these massage balls can be used for playtime, sensory exploration, and gentle massages, making them a fantastic addition to any child's toy collection.Note: Adult supervision is recommended as this toy may contain small parts that could pose a choking hazard.