LEGO Power Functions Set Train Motor (8866)
bMotorize your LEGO trains!/bWith this train motor you can motorize your LEGO trains. You can use this motor with our older 9V battery boxes (Technic or RC) or by simply adding the Power Function extension cable #8886, you can build it into your engine together with other Power Functions parts (sold separately) to create a train that speeds down the tracks at your command.