1. Material: plastic
2. Applicable age: under 14 years old
3. Building block type: small particles
4. The robot consists of 12 construction vehicles that can twist arms and legs
5. 12 types of engineering vehicles include: excavators, log grabs, cranes, mining vehicles, mixer trucks, earth moving vehicles, rock trucks, road rollers, forklifts, down-the-hole drilling vehicles, excavators, engineering vehicles