Can a ball change the world?" It's just a ball. It's called The Cool Jupiter Sky Ball. It's 4 inches in size. So what's the fuss? Just bounce it. Then bounce it hard. Balls are all about bounce. And that's what The Cool Sky Ball does, it bounces and bounces and bounces some more. Bounce it straight up and it goes up to 75 feet in the air! That's 4 times higher than a basketball, 5 times higher than a play ball, 3 times higher than a tennis ball, even higher than a 1.5 inch superball. Only maybe flubber bounces higher (which by the way doesn't really exist)