Wicked Mega Bounce XTR Our team of scientists has been experimenting day and night with all kinds of crazy materials to create the ball with the biggest bounce in the world; the Mega Bounce XTR! Drop it on a hard surface and the bouncy ball will bounce 85% of its original height! Throw the Mega Bounce down hard and watch it bounce higher than a two-story building. It's really mega! Specifications: Model: WKXTR Gender: junior Color: yellow Material: plastic Diameter: 7 cm Weight: 68 grams Bounce force: 85% Age: from 4 years