I got this as a gift for my son. He enjoys soccer and he can play till the sun goes down because he can no longer see the soccer ball. When i found this I was so excited that he'd be able to play soccer at night. When I received it, I followed the direction about removing the plastic and the tube with the batteries. It was so difficult putting that plastic back into the ball. The light worked after I replaced the batteries as instructed. When my son received it the light worked. He put the ball away to use at night, but night came and the light no longer turned on. What a disappointment .
Size 5 is the official size for professional matches. Therefore, this ball is only available in this size. Do not use this soccer ball on concreted areas. Its unique rubber uses Puma Airlock Valve Technology (PAL) in order to facilitate proper airlock technology. This ball features Perimeter Balance Technology (PBT) which enables it to maintain impressive flight characteristics. https://www.youtube.com/watch?v=j2Xn84L3Kcs