Pile on the fun with the Lamaze Rainbow Stacking Rings Developmental Toy. With interesting textures, patterns and sounds, these colorful stacking rings invite babies to explore with their senses and build hand-eye coordination. Little ones will start learning problem-solving skills as they try to stack these bright, colorful, easy-to-grip Lamaze rings on the post. This is a toy that will keep up with your baby’s developmental stages and interests over time. Ages newborn and up.