One small part of me wants to say that this looks fantastic. But a much greater part is screaming out that the whole idea is just way too anal and overpriced. I pity any children that would have to live in such a stark environment. Given the costs, I doubt the swing owner would allow any kids nearby.
or just buy a piece of plank and some rope.............
I am moving into a minimalist loft in a few weeks with three small children and we'll absolutely have a swing. Kids don't care about environments, they care about attention and love and comfortable clothes and music--but not very much about how things look. It's more about how things feel.
The plank is fine if you're outside at some cabin...but an inside swing has to step it up a bit.