As you have guest it based on the title of the game, this game has lots of box. No, they aren't your enemy as they are just obstacles, but you can use them to your advantage if you know how.
Drive your truck as fast as you can to get to the finish line. However, you need to avoid the bomb that you can see on the road. You need to either shoot it or run it over with a box. You can get additional health from the floating health pack in the area