ALL ABOARD !! Build this mighty 17" long "Standard American" classic model rendition of the 1860 Steam Engine era. Plans are complete with moving parts such as Driver Wheels, Guide Wheels, pivoting Pilot/Lead Truck, swinging Bell, Side & Main Rod action that really works the Crosshead Pin/Slide Assembly to the Cylinders. Details include Spoked Driver Wheels, Steam & Sand Domes, Kerosene Head Lamp, Cow Catcher, even the Fire Box is studded with optional Rivets When completed & all options are used, your model will contain over 120 separate parts. Yes, all the right parts to keep you on the right track .