I've never had a dog *not* like chasing things, lol. What I did with this puppy, when I brought him home at 8 weeks, was to encourage him to chase a ball by giving him a ball he could actually carry, instead of something larger that he couldn't fit into his tiny little mouth. I used a mini tennis ball, a cat toy. You have to be very careful with this though, because the toy is only appropriate while the mouth is tiny. I think I only used it for about a week until I worried about him choking on it. I also have a fleece frisbee for indoor games. I use a chewber outside - it's better than the others, IMO.