Model: The models are of two different tank cars, each fitted with a dome and a work platform. The cars have black/black, nickel-plated, solid wheel sets. Total length approx. 104 mm / 4-1/8". The electric loco (item 88490) matches the car set (item 82521). Find more Märklin explanation videos on our YouTube Channel. Spare parts for our articles can be found here in our spare parts search.