My cat Blumanwiner likes stuffed kongs! Only, kongs are usually given to dogs! My Bluie can fetch, sit, and plays with ice cubes in the bathtub. He thinks he is a dog sometimes. He sleeps with my dog Mabel in the crate at night. This would be a great sales idea for the kong people, because now, they are only for dogs! I stuff them with peanut butter, cream cheese, veggies and cat treats!