Help keep the city clean with the LEGO® Technic™ Mack® LR Electric Garbage Truck. The real-world Mack truck is powered by electricity, making it a greener way to collect trash. Ready to put this mo ... del version to the test? Open the doors to access the operator’s cab then steer the truck into position. Use the side loader to grab, lift and tip the garbage cans before moving on to your next stop.