Open up the world of engineering with this LEGO® Technic™ Heavy-duty Tow Truck (42128) model. Packed with details, it's a great tribute to the world's best-loved tow trucks. Check out its authentic grille, air filters, lights, tailpipe, and fresh color scheme. Then explore all the pneumatic and mechanical functions that make this model so realistic.A construction toy packed with working functionsThis tow truck toy with crane is filled with impressive features. Open the hood to see the 6-cylinder inline engine with moving pistons. Steer by rotating the pin on the roof. Activate the crane, pump up the boom, pull out the winch and extend the outriggers. And for the first time in LEGO Technic history, this vehicle has a lifting axle to pull down extra wheels and spread the weight of loads.A great introduction to engineeringLEGO Technic sets feature realistic movement and mechanisms that introduce LEGO builders to the universe of engineering in an approachable and realistic way.