873 parts

2*PF XL motor for driving (8882)
1*PF M motor for steering (8883)
1*PF Rechargeable Battery Box (8878)
1*PF Light (8870)
1*PF Switch for turning the front light (8869)
1*PF IR Receiver (8884)

Used gears:
12/20 after the motors
12/20 at the perpendicular axles
8/24 before the wheels