Model: The car has Relex couplers for quick and easy coupling. The car length is 11.5 cm / 4-1/2". The DC wheel set E700580 is available separately. The car is available exclusively from the Wacken Merchandise online store https://www.metalmerch.com/products/w-o-a-marklin-kuhlwagen-wacken-open-air-2026 or from merchandise stores at the festival site. Find more Märklin explanation videos on our YouTube Channel Spare parts for our articles can be found here in our spare parts search. One-time series.