Hartz Just for Cats Midnight Crazies Cat Toys feature durable plastic balls with tinkling bells that ignite your cat's natural hunting and chasing instincts. This 7-count pack provides multiple toys so your feline friend can chase, lose, and rediscover them again and again. The rolling motion and sound stimulate active play while keeping your cat entertained and engaged. Perfect for cats that love interactive play and need mental enrichment.