The Mould King Engineering crawler excavator is a highly detailed, static building block model for construction site fans. With a total of 840 parts, this model offers a challenging assembly experience. The finished construction vehicle impresses with a realistic yellow design featuring functional, moving elements. The boom arm and excavator bucket can be manually controlled via mechanical gears. Robust caterpillar tracks and a detailed driver's cab round off the authentic appearance. This model contains completely no motors or electronic components and is ideally suited as a display piece for collectors and enthusiasts of technical constructions.