Hmmm...Backyard Project?

This video was posted on Mike's blog.
I'm thinking it might be a fun backyard project. It would require leveling a small area and using something like sport court tiles or even a small area of concrete or asphalt, but it would be fun.
Of course, we never have people over, so maybe not.

https://youtu.be/y0IfM9JdfUU

John