The model railway in <a href="https://en.wikipedia.org/wiki/Heidelberg_Hauptbahnhof" class="extiw" title="en:Heidelberg Hauptbahnhof">Heidelberg, Germany Central Station</a>. After inserting a one euro coin, the user can have the freight train, the passenger train, the express train or the Intercity Express travel ten tours. The Düsseldorf company Werner Ehret &amp; Co. KG has installed such models in numerous larger train stations throughout Germany since the 1970s. They all are 2.6 m long and 1.6 m wide.
<a href="//commons.wikimedia.org/wiki/User:TeWeBs" title="User:TeWeBs">TeWeBs</a>
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<span class="int-own-work" lang="en">Own work</span>