The reason for the difference in weight is because Sky Marks actually have a solid fuselage. The fuselage feels dense (heavy) than other brand models of the same scale and size. This Sky Marks 777-200ER has great details, from the wing panels to the color and markings on the fuselage and engines. Boeing B-29 Superfortress (NewRay 1/132 Scale)ġ:200 Scale Plastic Snap-Fit – Boeing 777-300ER – Length:12.50' Wingspan: 12'.A340-500, SIA and the Crazy Ultra Long Haul Flights.B-52: An Role Model for Steady Employment for 50+ Years.The Gift for the Son (What a great mom).A Terrible Way to Check Out (Raining bullets).The Invisible Heroes (the KC-10 Extender).