Coming from the motorway A7 as far as Neumünster, from there on the federal road B430 towards Plön up to Schönböken.
Or, coming from the motorway A21/B404 up to the exit “Bornhöved”. From there on the federal road B430 towards Neumünster up to Schönböken (see directions).
Up to Neumünster main station. There is a direct bus line (no. 1754) from Neumünster main station to the Zen-center Schönböken (bus stop “Schönböken Torhaus”). You can check departure times on the current bus schedule (in german; no guarantee).