Duo Tone Party Balls

Enjoy quiet internal vibrations with these sleek weighted kinetic balls. They're small metal balls housed inside larger coated balls. This makes them move around inside themselves and vibrate. Each movement of your body will activate the silent vibrations. Best of all, they never require batteries! Create inner ecstasy with these self indulgent vibrating balls.

A fun product video    http://youtu.be/7RJ7XQq3nko