You only need to wind up the spring clockwise and put it down on a flat space, then this cute bunny will hop and bounce vibrantly. Attractive and seasonable. ???? PREMIUM MATERIAL: Our wind up rabbit is made of imitation fur, odorless, eco-friendly and durable, shedding-proof and colorfast, has passed a rigorous testing and certification process, CPC approved, 100% safe for everyone to play with.