glow in the dark tennis balls?

[triangleman42]

I've been searching for a very long time for glow in the dark tennis ball sized balls or even ones that have flashing lights inside that activate when it bounces. All the ones I can find are bigger or smaller and do not fit in a chuck-it. Why is this such a hard thing to find?

thanks

 

[4tis]

I found a light up hard ball at Walgreens in the pet section. It might be a tad bit bigger than a tennis ball, not sure how close it has to be. : )