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.