This adorable little rattle has an easy to grasp handle that helps every child develop their motor skills. The rattle features ribbon tethers、 plastic clacking rings and high-contrast patterns. Wimmer-Ferguson baby toys are an accurate reflection of laboratory research on infant visual development. Designs reflect more than 40 years of research on infant vision. Professional research has shown that newborns are more attracted to high-contrast patterns than to colour or brightness alone. Suitable age - 3