Train Station in Frankfurt ,Germany Airport

My son and I are going to Germany this fall . We heard that in Frankfurt at the International Airport you can get from/through the airport to the train station to take the ICE Train . I need to know how to get there.. or how difficult it is And do I get my tickets there at a kiosk or on the train ? Any help is... show more My son and I are going to Germany this fall . We heard that in Frankfurt at the International Airport you can get from/through the airport to the train station to take the ICE Train . I need to know how to get there.. or how difficult it is And do I get my tickets there at a kiosk or on the train ?
Any help is appreciated.
Thank you for all of your help
3 answers 3