Safety Is Most ImportantHigh quality PU high-rebound wheel and ABEC-7 bearings make the kids scooter jump smoothly and quietly. We use PVC and PP materials, odorless, non-toxic and environmentally friendly, designed to reduce noise and avoid damage to the floor while playing. Thick padding on the ankle loop for comfort and effective protection of the child's ankle in the event of an impact. Built-in LED Flash WheelFlash (inductive design), harnessing the power of electromagnetic induction every time you skip, the spinning wheel automatically creates a dazzling multi-color light show. Motion is activated without battery, the light wheel's power is based on rolling, and the faster the kids jump, the brighter the light gets. Bright enough during the day and neat at night. Foldable Ankle Skip Ball Kids detachable ankle jump ball for kids. The foldable design is convenient and the size can be reduced by 1/3. It folds up easily to carry around in a tote bag and includes a tote bag for easy portability. Encourage Children to ExerciseThis jumping skip ball will encourage children exervise, keep child stays active and healthy. Great fitness toy and a great way to develop children's coordination and balance. Provide kids hours of active, indoor and outdoor entertainment. Easy & Fun Jumping Toy for KidsPut one foot in the loop and set the spinner to jump for a fun jumping game Lightweight plastic ball swings easily and won't hurt your ankle on impact. Using the principle of lever fulcrum, it subtly promotes coordinated foot movement. Compete with your family and friends, jump the ball to your favorite song, and promote physical activity, coordination in fun ways.