LEGO Technic 42006 Excavator 2-in-1 model: Rebuilds into a Tracked Tractor with raising/lowering rear and front tools, adjustable/detachable plow blades and an opening hood Features working 4-prong grabber, articulated extending arm, rotating superstructure and moving tracks Motorize the Excavator with 8293 LEGO Power Functions Motor Set (sold separately) Lift and move with the working 4-prong grabber! Extend the arm! Measures over 13" high, 15" long and 5" wide ; Tracked Tractor measures over 5" high, 20" long and 5" wide