http://www.petsmart.com/media/ps/ima...6842_146fb.jpg http://www.petsmart.com/global/produ...=1114015946074
Bumble Ball - retails for $12.99. Requires 3 AA batteries.
It is the same product that was available for kids a few years ago. I forget the name, but it was bigger...and sold at various stores like Kay Bee Toys and Toys R Us. Now, it looks like they made a smaller version to market to dogs.