This product can be adsorbed on any smooth surface such as floors, doors and windows. When the cat is playing, you can gently force the toy to rotate freely, which can effectively improve the cat's intelligence in the process of learning to use the toy. Each set contains 1 Light Ball + 2 Catnip Balls. You can choose to use both products at the same time. This product is made of soft TPR and will not cause any harm to cats. Cats can use the soft bumps to rub their faces or grind their teeth. The fan blade of the product is also very soft, which can clean the cat's teeth and dirt during the use of the toy to ensure the cat's oral health. The soft and stretchy TPR material won't hurt the toy when the cat bites. You can apply special toothpaste or food attractant on the raised part to increase the cat's interest in s and increase the use effect of cat molars. Extensive use tests have proved that cats will gradually like toys during use, which can relieve cats' troubles and improve their IQ. Package includes: 1* cat toy (lake blue) subject to the main picture