What You GetPackage includes 12 pieces cat mice toys, fill with some sand in these cat toys, and it can make a sand sound to draw your cat's attention easily and arouse its curiosity. < br >Interactive Cat ToyThe Mice Cat toys encourage physical play and mental stimulation by appealing to your cats natural instincts. Cats need mental stimulation from play to keep from being bored and to fulfill their hunting instincts. Physical activity from play-acts as a workout, keeping cats physically fit and enriches the pets quality of life and fosters a healthy relationship between the pet and their parents. < br >Relieves Stress & Anxiety Your cat will play, scratch, and chew on these fun cat toys, not your furniture! Play provides more than just exercise, also relieves anxiety, stress, and boredom. When indoor cats do not have toys to play with, that is when they supplement their playful instincts with anything they can find around the house. < br >Quality Material Cat mouse toys are made of High-quality Plush, lightweight, very soft, and safe to use. The cats can pick it up in their mouth and carry it to wherever he/she wants to play. Great for fetching, training, chewing. < br >lifelike Cat ToyThe size of these cute mice cats toys is 4 inches/10 cm in length(Including tail length),1 inches/2.7 cm in width. The mouse tail is made of natural feathers, and the feather toys are also the cats favorites.