Wooden Rattle That is easy to hold, grasp and enjoy. Brightly colored, this is attractive and grasps your little one's attention immediately. Rattles are just amusing for babies but they can be more than that. It helps with hand-eye coordination when we move the rattle across fine motor skills develop as the baby grasps and shakes them it gives them a sense of sound and direction can also act as a soothing agent. parental guidance is required at all times.