LEGO, MOC, Train Steam Engine with Tender for battery pack or Hub 8 x 4. Comes with Authentic Lego Power Functions: Control (28739), Hub (88009), and 2 x WeDo medium size motors (21980). Comes prebuilt with picture print out on the box for reference. No instructions. Built from good or new pieces. The pistons slide back and forth on the glides when the wheels roll. This Engine rides on standard Lego city train track. Also the front wheels of the train swivel. Batteries included. 16x AAA batteries. Stickers not included.