15" diameter Easy grip handle Features licensed characters Great for exercise For ages 4 & up Our Hedstrom Hopper balls are one of our most iconic toys in our storied history. These can be used inside or outside, we do recommend staying away from sharp/rough objects, like rocks and sticks. We can't wait to see how much fun your family will have on our Hoppers! This is sure to be your child's favorite Incredibles 2 toy and get them out and exercising! Whether it is just bouncing around the house or having a hopper race outside, the fun is endless on our Hopper ball!