This jump ball is looped around one foot, while the other foot jumps over the ball attached to the rope. Then swing with your leg to move the toy and jump over the ball and cord. It can bring joy to your children at any time. Keeps your kids active and busy (Recommended for ages 4 years and above). It is made of PVC material, environmentally friendly. Odorless and non-toxic, safe to use. The fun toy will not harm your child and is durable. It's great spring ball toy for kids fitness and playing, your kids will love it. It can give your child a happy childhood. It is built-in flash wheel, rotating wheels automatically light up colors, bright colors are eye-catching and easy to spot.