It's a baby toy. Click here and read about it: it's a link thingy that you attach the O-ball to to attach it to their car seat so they can play with it without dropping it. http://www.toysrus.com/product/index.jsp?productId=13164606&cagpspn=plat_13317177&camp=PLAPPCG-_-PID13317177:TRUS&eESource=CAPLA_DF:13164606:TRUS