Prototype: 3 German Federal Railroad (DB) type Td 933 hopper cars with hinged roofs as they looked in Era IV and a delivery truck with a freight load.
The set consists of 3 each hopper cars with hinged roofs that can be opened and promotional lettering "Westdeutsche Quarzwerke". One delivery truck with a load of quartz sand is included. The delivery truck is constructed of metal and has rubber tires allowing it to be rolled. There is also a building kit of a conveyor belt made of laser-cut architectural quality cardstock. Car length over the buffers approximately 132 mm / 5-3/16".