A rattle Toy is a common baby toy that usually consists of a bell and a handle. When the baby shakes the toy, the bell makes a crisp sound that attracts the baby's attention and promotes their hearing and motor development. Rattle toys not only serve as entertainment tools for babies, but also help them develop hand-eye coordination and motor skills. In addition, rattle toys can also be used as cognitive and sensory development AIDS for infants to help them understand the relationship between sound and movement.