Are you still looking for that entertaining dog toy?
This one is entertaining for both you and your dog. Especially if you have a "ball loving dog", it could prove to keep him busy for a long time.
My dog, Ebony, had one of these when she was a puppy. I must admit that I got tired of the noise long before she got tired of playing with it.
Here is a funny video of a Border Collie and the Babble Ball.