Feature:1. Exercise Gripping Skills: The stacking rings are easy for the baby to hold and can encourage your child to use hands to grab and stack the rings, which will strengthen gripping skills.2. Educational Features: This stacking toy enhances initial understanding of elements such as letters, shapes, colors, and numbers, as well as promoting hand eye coordination, matching skills, and tactile and visual exploration.3. Wide Use: This stacking toy is funny. Not only can be used for stacking games, but the stacking towers can also be used as teethers. Baby can have lots of fun.4. Small and Portable: This baby toy is a stackable sensory toy that is compact and portable for easy storage. let kids have an interesting playtime.5. Best Gift: This circle stacker is cute and can attract children attention. Perfect as a birthday gift, holiday gift, or daily gift for babies, or children.Specification:Item Type: Baby Sensory Stacking RingsMaterial: Plastic.Package List:6 x Baby Sensory Stacking Rings1 x Bear Stacker