The LEGO Technic John Deere 9620R 4WD Tractor 42136 is a must-have for kids who love tractors. This authentic building set was designed in collaboration with John Deere and is packed with realistic features that will delight young builders. With huge wheels, articulated steering, and a turning driver's cab, this set is both challenging and fun to build. The trailer tips, allowing for the transportation of heavy loads across all terrains, and the drawbar with an extra hinge makes it easy to navigate hills and valleys. As a part of the LEGO Technic universe, this tractor set offers a great introduction to engineering and is a wonderful gift idea for kids who love models of workable cars. With 390 pieces, this set is a challenging build that kids aged 8 and up will love. Once constructed, this impressive model measures over 3.5 in. (9 cm) high, 14 in. (35 cm) long, and 3.5 in (9 cm) wide.