The LEGO Technic Volvo FMX truck with EC230 Electric Crawler excavator (42175) is a play set made of truck, flatbed trailer, electric tracked excavator and charging station, which children can make 2 models of heavy construction vehicles accurate in detail. This Volvo game set with truck and toy excavator allows children to explore their construction site adventures with an exciting construction toy. Young engineers can open the doors on the LEGO Technic truck and tilt the cab forward to see the 6-cylinder engine with movable pistons. Then you can steer the truck toy in the correct position, uncouple the trailer, fold down the ramp and let the machine roll down.The toy excavator has folding doors and plenty of functions. See how it rotates 360 degrees on its tracks. Then use the pneumatic pump to raise and lower the bucket. Young fans of toy construction vehicles can pretend they are working on a modern construction site and bumping the charging station to the right place using the pad