SmartyKat Flamingo Flop Cat Toy a silly, adorable full of long plush and dangles. This girl is sure to please pet and pet parent alike. Encourages your cat's hunting instincts. Silvervine, a wild-growing herb foraged in the mountains of Japan and China, has a strong natural effect on cats, even some that don't respond to catnip. After extensive testing to find the perfect blend, this was created as an ideal alternative for finicky felines who need a little extra excitement! It's more potent than catnip and as pure as can be!