Authentic excavator appearance with intricate details, perfect for imaginative play. It has a realistic and detailed appearance with features such as the digging arm, cab, compressor room, and other intricate details. The excavator features versatile manual control, with six barn doors that can be opened and closed for an interactive, engaging experience. Three control knobs let you adjust the digging arm and chassis. Functional excavator self-build brick model Difficulty: high Number of pieces: 1,702 Manually opening doors (6 doors in total) Rotating the lever up, the three knobs control the lifting, retracting and swinging action of the digging arm, respectively Rotating the lever down, the three knobs control the excavator forward and backwards, left and right rotation and 360 rotation of the platform, respectively Model dimensions: 55cm length, 19cm width, 32.4cm height Box dimensions: 46cm length, 38cm width, 10.5cm height