It is of 7 to 8 pieces plastic non toxic teether for babies. This are just beginners to grasp on purpose shaking, pulling, rotating, or on to teething, and mainly it helps in strengthen sensory had and eye coordination, color, recognition skills. Rattles are babies’ favorite toys that help them develop motor skills as well as make them alert to noise. When buying rattles for babies, consider the safety factor and look for the right size. The rattles should be free of edges and easy to clean.