Build a replica of a Mack anthem truck with authentically Designed bodywork, front-axle steering, rear wheel drive, six cylinder straight engine with moving pistons and a detailed drivers cab Features a detachable trailer with extendable outriggers, landing legs, synchronized crane arms and a container with lockable doors This 2-in-1 truck toy rebuilds into a replica of the iconic Mack LR garbage truck Includes special decorated elements and manufacturers logo, plus Mack bulldog hood ornament and a collection of authentic stickers LEGO technic 2-in-1 building sets are compatible with all LEGO construction sets for creative building Explore state-of-the-art engineering and design with the LEGO Technic 42078 Mack Anthem truck. Developed in partnership with Mack Trucks Inc., this authentic replica model comes with an array of realistic technical details and functions, including front-axle steering, rear wheel drive and a 6 cylinder straight engine with working pistons and spinning radiator fan. The detachable trailer has extendable outriggers, working landing legs, synchronized crane arms with side loading capability and a loadable container with lockable doors, while the accessible drivers cab has opening doors, adjustable seats, detailed dashboard, steering wheel, sun visors and a bunk bed. This 2-in-1 enhanced builder set also features a Mack bulldog hood ornament and can be rebuilt into a detailed replica of the iconic Mack LR garbage truck. This set contains 2590 pieces.Mack Anthem truck and trailer with crane boom and landing legs extended measures over 10 Inch (27 cm) high, 32 Inch (83 cm) long and 7 Inch (18 cm) wide and over 8 Inch (22 cm) high and 5 Inch (15 cm) wide with the crane boom and landing legs retracted. Mack LR measures over 7 Inch (19 cm) high, 22 Inch (58 cm) long and 6 Inch (17 cm) wide with forks and container lowered and over 12 Inch (33 cm) high with forks and container raised.