Mould King 19014 Technical Pneumatic Concrete Pump Truck Building Blocks MOCT Heavy Duty Tow Truck Toys Set for Boys

DescriptionIntroducing the MOULD KING Pneumatic Concrete Pump model. This set comes as a static version that supports manual operation.The model's body is equipped with a pneumatic system. It features a multi-tiered Z-shaped folding arm rack. By using the pneumatic parts, it simulates the working state of a pump truck, with each arm segment able to rotate around its axis.Once it reaches the operation site, lower the supporting feets to fix the body, preventing any positional changes due to imbalance during operation.The pneumatic system can also be used to operate the boom, the concrete pumping mechanism, as well as mechanical stabilizer legs, rear parts, and so on.Other Features Over 50m LongOver 2100 Pieces4 Wheel SteeringPneumatic Pump Structure with Rotation, Extension & Tilt FunctionsMechanical Stabiliser LegsMechanical Rear SectionBuilding Instruction Booklet