Details:

100pcs  Vibrating Pager Motors Mini DC motor 5x6mm Vibration Pager micro motor with contacts Spring pins for bristlebot VIBROBOT
 
 
It is a very low powerful motor.  vibration motor for solder bristlebot.
 
They operate on 1.5 to 3 volts ... They are useful in many electronic
projects such as Bristlebots, Brushbots, remote control aircraft, robot beam projects,
miniature trains, Radio control remote, Camera, Toothbrush, Electric Shaver, Mobile devices, etc ....
Rated voltage 1.5 V DC
Direction of Rotation: Clockwise or Counter Clockwise
Motor Posture: All Positions