It's free, it's spacious and it's central.
On show are a lot of aspects of everyday life, such as energy, climate control, waste displosal, housing, travel. They explore exisiting projects as well as tentative ideas for ways forward.
All imaginatively set out and explained in both German and English. Due to Covid-19 safety regulations, some of the interactive stuff was not in use (probably considered unhygienic - though somebody was going round wiping down surfaces all the time).
Some reviews mention the suitability for children. But for us - 3 adults - it was well worth the time spent there, we read about some very interesting ideas and concepts.