WaterRipper - It Skips like a rock, Catches like a bag. Unlike all the other sealed waterballs or stress balls on the market. WaterRipper is a real water absorbing waterbag and constantly changing its shape, density and mass as it rips and rolls on the water surface. Explore the science & phenomena in this video by RipperBall.Com Sports.
Visit the website and buy a Ripperball for waterplay.