Giant with articulated steering Large, powerful, and generally noisy as well. Road rollers are imposing driving machines ??and they??¢re essential for the construction site in the playroom. As with the full-size prototypes, the roller turns and the giant can be steered using the articulated steering. With the deep-tread profile of the drive wheels and the metal engine bonnet, the siku road roller is perfectly equipped for hard work on the construction site.