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 favourite shimmer and shine toy and get them out and exercising! whether it's just bouncing around the house or having a hopper race outside, the fun is endless on our shimmer and shine hopper ball! please note: the Hedstrom hopper ball ships deflated but is easily inflated with any hand pump or electric pump.Pump not included.