Eurail pass is not a normal pass that you buy for train. It is a railway pass that lets the non-Europeans travel all around the Europe on their extensive rail network.
Eurail Pass Review
4.9
Pros
Offers unlimited train travel across Europe, with a wide range of pass options to choose from.
Provides flexibility and convenience for travelers, with no need to purchase individual tickets for each leg of the journey.
Cons
Prices can be high, particularly for longer or more extensive trips.
Some trains may require reservations or additional fees, and certain routes or regions may not be covered by the pass.