The Eurail Pass lets you travel on trains across Europe. Choose your countries and pick the European rail pass that fits your plans!

http://jp.eurail.com/eurail-passes?gclid=Cj0KEQjwxbDIBRCL99Wls-nLicoBEiQAWroh6r4cSlPumf7P6cQhN2meuX8UYTpmZnutJ1RBJvwSKZQaAqyi8P8HAQ