Speeding over dirt, grass, and leaves, roaming inside and outside, it's Thames & Kosmos' Off-Road Rovers! Build your own rover and watch it conquer rough terrain. A great building kit for learning about science and engineering, with 10 different builds to experiment with. Imported. Kit comes with 118 pieces for 10 models, and 40 pages of manual. Ages 6 and up. Choking hazard warning, not for children under 3 years.