Thanks for the compliments!
Good luck copying this, there are many, many particulars to make this system work properly. If they successfully do at this point in the season then hats off to them. This posting is meant to inspire creativity, so if that's what it does GREAT! There are a lot of features not shown here like the ball shooter/collector and nuances about the balancing gauge alert system as well
It lays flat on the ramp surface when balanced. However I understand a recent Q&A would allow it to touch underneath as long as it comes off easy.