Bring your lego technic models to life with the exciting power functions motor set this supplementary power set comes with a medium motor battery box switch and a light cable with 2 bright leds power up your lego technic creations includes a medium motor battery box light cable switch and additional pieces to add new functions and features to your models power up your lego technic creations requires 6 aa 15v batteries not included switch and cable measures over 9 25cm