For untold centuries, women around the world have treasured the secret pleasures of Ben Wa balls - nestling in your secret places, they rub and roll together to produce exquisite sensations.. Now Nasstoys have re-vamped the traditional toy with modern technology! Three satisfyingly large, vibrating balls covered in patented "Realskin" soft rubber coating, to drive you to heights of pleasure you never knew existed! Use the cute hand-held microcontroller to adjust the speeds to your optimum vibration, or let your partner do it for you for extra fun!