Metal Model - 1:32, dimensions: 17.1 × 31.6 × 11cm, suitable for children 3 years of age and older This German-made SIKU Farmer CASE IH Quadtrac 600 is a perfect 1"32 model of the crawler tractor. The large tractor in this red version is equipped with a functional hinge with a height adjustment and four triangular belts around the drive axles that allow the vehicle to drive on uneven surfaces.