With the JR East Pass Special get a 3 day Flexi Pass to be used within 10 days.
This is a limited time offer on sale from March 1 to June 14, 2012.
More details about the JR East Pass Special:
The e-ticket must be exchanged in Japan between April 1 – June 21, 2012.
You may travel with the JR East Pass Special between April 1 – June 30, 2012.
When booking, please select your first date of travel between: April 1 – June 20, 2012.
Validities: Adult, Child in Ordinary Class.
Eligibility: The JR East Past Special may only be sold to foreign passport holders on “temporary visitor”, “college” or the “shuugaku visa”.