These are the parts you will need.
Step 2: Adding Front Wheels
Put the 24tooth gears on the Front of the body.
Step 3: Putting on Extra Gears
Put the eight tooth gears right next to the 24tooth gears.
Step 4: Putting on the Axel and Wheels
Take the medium sized black axel and stick it through the back hole in the body.
Next put the gray wheels on either end of the axel.
YOU HAVE COMPLETED THE CAR PART.
Step 5: Building Fins
First connect the two red corner pieces 2 holes after the smaller 8 tooth gear.
Then put the two longest rods pointing up.
Next take the two blue corner pieces and connect them with the remaining rod.
Take the two wheels and connect them to the corner of the blue corner pieces.
Connect the two blue corner pieces to the rods on the car that are sticking up.
YOU HAVE COMPLETED THE LEGO GEAR CAR