The tractor model has a wind-up rubber-band motor. The front wheels can turn. It has 4 gears 2 forward speeds and 2 reverse speeds. Realistic piston engine under the articulated hood. Eco-friendly sustainable material. Very high precision with laser-cut plywood with amazing details. All-inclusive boxes, self-assembly No messy glue required. Clear colorful step-by-step assembly instructions. The model includes candle wax for gears, sandpaper, and rubber bands. Very sturdy construction. Can be painted with thin water-based paints, except the gears, not to obstruct the mechanisms.