Each ball measures 4 inches in diameter can be used with a mini hoop Set also comes with a pump Great for indoor or outdoor play Designed to look and feel like a real basketball Features . Designed to feel like a real basketball. Each ball measures 4 inches in diameter. Set comes with a pump. Pack of 3 mini basketballs. Pack of 3 Includes . 3 x Mini Basketballs. 1 x Pump Specifications . Recommended Age 3 . Weight 1 lbs