Features: -Using electromagnetic induction, when the child jumps over the swing wheel with one foot, it automatically emits colorful lights. -Made of high-quality PVC and PP, thick, strong, wear-resistant, scratch-resistant and durable. -With a thickened sponge cover, it can better protect children's ankles and is safer to use. -It can stimulate children's interest in sports and better promote the coordination of children's limbs. -It's easy to play, just put the ring on one foot and then dodge the poles by shaking and jumping. Specification: Color: blue,purple,pink Material: PVC+PP+sponge Length: 25.1in Package Included: 1x Flashing jump ping .