Egronet
It is
a type of traveling by train, trolley-car and by bus by using just one ticket.
Some certain routes Weiden – Jena provides a 100-Czech-crown-ticket that can be
used in one day as many times as possible and you can travel through Bohemia,
Bavaria and Saxony the whole day. The ticket price includes the transportation
of a bike or a pram. The ticket can be used on all local transport lines and
regional express trains. More information here.
Click here if you
would like to look up some German transport lines.