>>16312404https://www.wikihow.com/Make-a-Wighttps://www.wikihow.com/Make-Cat-Earshttps://www.wikihow.com/Make-a-TailSeriously though, I'm afraid the ears are the only thing you can make easily, you don't really need to make them fluffy, and construction paper (or just some other kind of cardboard?) would be enough to make something acceptable. As for the hair and the tail, Hungary is probably right, I've been looking at pre-made tails and I can't really think of an easy way to make something like this at home.
Also, don't forget you'll need dark makeup around the eyes and on the tip of the nose. And dark gloves.