This is the 2,017-piece LEGO Technic set that creates a heavy-duty tow truck with numerous mechanical features like its hardworking real-world inspiration. Its pneumatic pump functions include an extending lifting boom, a lifting crane boom, and an extending crane boom. In addition, it has a rotating crane, working winch, and outriggers, plus a lifting axle to pull down extra wheels and spread the weight of uneven loads—the first LEGO Technic model ever with this feature. It also sports a 6-cylinder inline engine with moving pistons and can be steered by rotating a pin on the roof. Classic tow truck design details include the authentic grille, air filters, and fresh color scheme. 2,017 pieces. Ages 11 and up. Finished model 23" L x 8 1/2" H x 5 1/2" W. (7 lbs.)