Maps: https://maps.app.goo.gl/YXBgs86ZMdgM6oDZ7
Public Transport: From Frankfurt Main Train Station take S-Bahn S1 direction Wiesbaden or S2 direction Niedernhausen.
Get off at Frankfurt-Nied!! It’s just a 6 minute ride from FFM HBF / main station.
Check www.rmv.de for the timetables