The Original Bachmann Big Haulers G Scale Electronically Operated Thunderbolt Express Train Set – No Transformer. In good used condition with a little bit of scuffing due to storage and needs a little bit of cleaning. There is a black piece that we believe came off the yellow car. We have no idea exactly where it came off but we’re including the loose piece. The transformer is missing. The chrome on the track has oxidized from storage. The styrofoam and original box have damage from storage. Requires 1 9 volt battery (not included). Package includes: 1 Engine: 18″(L) x 5″(W) x 7(H). 1 Atchison, Topeka & Santa Fe Coal car: 12″(L) x 5″(W) x 6(H). 1 The Gold Belt E Line Victor Gold Mining Co. Load car: 16″(L) x 4.5″(W) x 4(H). 1 Santa Fe ATSF 425 Caboose: 10″(L) x 4.5″(W) x 7(H). 6 Curved pieces of track. 2 Straight pieces of track. Please check out our other listings. Thanks for shopping with us!