A hand trampoline for balls: throw, catch, bounce! - Mezo combines a large target area for easy bouncing with a thinner handle for smaller hands. - Bounce any ball -- for summer fun, try it in the pool with water balloons! - Newest member of the award-winning family of OgoDisks Set includes one bright-blue and one OgoOrange disk with one OgoSoft ball. EVA foam ring. Nylon-spandex membrane center. Item number - SK001. WARNING: Product rated for age 3+. Package may contain small parts. Product is not to be used as a flotation device.