EXERCIESE and FUN - Come with tinkle bell with rustling sound, it is easy to catch your cat’s attention. Encourages instinctual behaviors and exercise to keep your cat healthy and alert.Used on any interchangeable cat wand and chaser toy with an eye hook connector. IMPROVE RELATIONSHIP - With these worms toy,you can interactive with your kittens.Bring you and your cat a happy time. ADDITIONAL REPLACEMENT STRING FOR CAT WAND TOY: We add 1PC replacement black string on this package, you don’t have to worry about the string broke of the cat wand, or you can hang it on the cat tree for cats more fun. HIGH QUALITY & SAFE: All of the toys are made of safe material which is flexible in rotation and strong in tensile and elastic force, no fading and non-shedding, soft, have endless fun with your cats. It is safety for cats, but doesn’t mean it can be swallowed. GREAT VALUE - (6 Colors: Green, Blue, Purple, Pink, Yellow and Orange). Cat will never get bored again chasing the same old feather