"Good fun gives me lots of exercise as the ball goes much further than if Robin tries to throw it.

I was not to impressed with the ball that came with the set as I managed to put my teeth through it on about the second time we were out. Good thing a ordinary tennis ball fits to perfection and works well.

I have noticed that Robin throws the ball for a much longer time as he does not have to bend down to pick the ball up each time I bring it back. The other advantage according to him is that he does not get my slobber all over his hands, as the ball does get in a bit of a state at times."