So what makes the Wubble Bubble Ball so special? It is made from revolutionary, near indestructible, lightweight material called Xpandium. It's squishy, super soft and lightweight and can be inflated to a giant three feet tall! You can create your own supper wobble bubble ball to play with in minutes. Use a battery-operated air pump to inflate your Wubble bubble ball in just two minutes. After jumping, throwing, squishing and kicking, simply deflate your bubble ball with the deflation tool and store it for next time. Best of all, Wubble is fun to play with, indoors or out, all year round. You can use it as a giant soccer ball, tennis or even beach volleyball. Who would have thought that a simple ball could be so much fun? Grab your super wobble bubble ball now, blow it up and explode!