octopus fishing rod Interactive playing with a cat is a lot of fun, but more importantly it provides valuable exercise for cats of all ages. It also strengthens the feline-human bond :) 40 cm (17inch) wooden pole and a long durable string (adjustable lenght) with a sweet, colorful jellyfish will make the play easy for you and exciting for your cat. filled with catnip for the cat and valerian to entice the play. Dangling strings will get your cats interest. Catnip contains the feline attractant nepetalactone. N. cataria are known for their behavioral effects on the cat family. Common behaviors cats display when they sense the bruised leaves or stems of catnip are rubbing on the plant, rolling on the ground, pawing at it, licking it, and chewing it.