Thomas the Train: TrackMaster Quarry Cars
Set comes with three trailers or cars with a special theme and three pieces of track.  The Quarry Trucks set is complete with a Sodor mining car, a rock press and a Cargo car.  Slide the cargo car door to reveal the cargo inside or press down on the lever to "crush" the rocks and watch them rattle and shake. All cargo is removable.  Perfect for hooking to any motorized Thomas & Friends engine.