1702 Pieces Discover the Functional Excavator by CaDA, engineered for builders who crave authentic detail and interactive play. This meticulously crafted model captures every element of a real excavator—from the operational digging arm and detailed cab to the compressor room and intricate mechanical features. Six manually operated barn doors invite hands-on exploration, while three precision control knobs let you command both the digging arm and chassis with impressive realism. Perfect for enthusiasts seeking a construction toy that combines stunning authenticity with engaging, tactile gameplay that rewards curiosity and imagination. 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 backward, left and right rotation and 360 rotation of the platform respectively Model dimensions: 55cm length, 19cm width, 32.4cm height