I mixed a few Batmobile-Styles. Some from 1935, 1989 and my own interpretations. I like the old ones, my Favorite is the Batmobile from the Burton-Movies. Combined here and there a few things like the hooded back wheels and the great rear wings. In the mid of the Car is a flap, under it, you can find enough room to but a figure in it and where you can launch the Side-Rockets.
On the Flap itself is a Batarang. Even when a figure is on board, you can launch the Rockets or store that Batarang. When you press the Rockets aside, the Flaps on the left/right will open and you can pull out the missiles to launch them with a finger-snip. You can see all of it in the following Pictures.
The complete Car has 337 Bricks (without the Mini-Figures).