Anyone interested in powerful toy trucks and construction toys will be delighted to assemble this LEGO® Technic Truck 4x4 Mercedes-Benz Zetros (42129) model. The toy truck with many realistic details offers an exciting construction experience for adults and children from 12 years old. Open the cabin doors and hood. Take a closer look at the suspension working on all four wheels and open the service hatch to check the gearbox. The model also features a highly detailed engine with a rotating radiator fan. And for the first time in the LEGO Technic range, this model has a differential lock. Lock and unlock the differentials using the app to maneuver the truck on rough terrain. Check out the app This model is just the beginning of construction. The CONTROL+ app helps put this powerful machine to the test. Use the different control screens to steer the machine and control the differential lock.