http://www.inventivekids.com/2012/09/20/9-year-old-invents-hands-on-basketball/

when chris was just 9 years old he got tired of having messy shots and watching his friends miss baskets when they were playing basketball together. so he invted a basketball that has painted on hands to show you where to place your hands to have an accurate shot. today this basketball is sold around the world.