[elliottkember]

At my school we had this weird climbing frame called the "Pipehenge". I climbed on it for years before we eventually did a class on it and learned that it was an astronomic map: https://www.youtube.com/watch?v=BM4d02tjTqk

[Tepix]

Looks they are no longer made, or are they?

[TheSpiceIsLife]

I’d love to make one of those