Experience a 1:20 scale model with a lifelike appearance and intricate details inspired by real excavators. Enjoy realistic features including the articulated arm, driver''s cab, compressor room, and more. A continuation of the CaDA engineering series, this set offers advanced building experiences and features. Explore 6 operational doors that can be manually opened and closed, enhancing the hands-on experience. The excavator comes with 3 control knobs and a function switch for authentic excavator arm and chassis movements.