PATENTED INDOOR-SAFE TECHNOLOGY: Play ball in the house without the worry Featuring our patented shock-absorbing KrunchCOR construction, this 22" Mega Ollyball is engineered to absorb impact, making it safe for indoor soccer, volleyball, and active play. At only 2.8 ounces, it won't break windows or damage furniture.COLORABLE WORLD MAP & CREATIVITY: Spark imagination with a giant, colorable canvas The Ollyball Planet Earth features 150 colorable countries. Kids can use any markers to personalize their world, turning a high-energy sports ball into a beautiful, custom-designed masterpiece.STEAM ACCREDITED EDUCATIONAL TOY: Much more than a big bouncy ball Our Planet Earth edition is STEAM Accredited and includes a downloadable 24-page peer-reviewed geography and science lesson plan. It's the perfect tool for teachers and parents to combine physical activity with global learning.DURABLE, WATERPROOF & SUSTAINABLE: Made from high-performance Flashspun Olefin, this ball is waterproof, sand-proof, and built to last. It's a sustainable, reusable alternative to single-use balloons. Take it from the living room to the backyard or the beach its the ultimate all-terrain play ball.EASY INFLATION & PORTABILITY: The Ollyball is designed to be deflatable and portable. It easily inflates using the included straw and can be tucked away for travel. Perfect for parties, classrooms, or rainy day energy-burning, this 22-inch giant ball offers endless hours of screen-free fun.