1 x Electric, Light Unit Power Functions with Black PF Connector Lead

1 x Electric 9V Battery Box 4 x 11 x 7 PF with Orange Switch and Dark Bluish Gray Covers

1 x Electric Pole Reverser / Polarity Switch with Black Lead, Power Functions

1 x Electric, Motor 9V Power Functions M with Dark Bluish Gray Bottom

1 x Dark Bluish Gray Technic, Gear 8 Tooth

1 x Dark Bluish Gray Technic, Gear 24 Tooth (2nd Version - 1 Axle Hole)

1 x White Technic, Gear 24 Tooth Clutch

1 x Light Bluish Gray Technic, Axle 5L

2 x Light Bluish Gray Technic, Universal Joint 3L