"The highest bouncy ball on Earth, the Waboba Moon Ball boasts gravity-defying bounce! Durable, nontoxic polyurethane-foam construction shoots up to 100' in the air higher than classic rubber balls and the unique ""craters"" make a popping noise with every bounce. Recommended for ages 3 and up. Dia.: 2.48"". The highest bouncy ball on Earth Durable, nontoxic polyurethane foam Bounces up to 100' (30m) into the air Unique ""craters"" make a popping sound on every bounce"