Complete with soft and whimsical bugs, the Lamaze high contrast wrist rattles are ideal for encouraging the development of baby's hand-eye coordination. Just right for baby's delicate wrists, the rattles' high contrast colors and patterns also work to stimulate baby's vision. With every wiggle, baby will delight in the soft rattle noise and be encouraged to reach and grab, further awakening and developing their muscles. Ages newborn and up.