Here is the arm stop welded into position.





This is the back. I used 1" Nylon round bar  to house
a 1/4" id self-lubricating bronze bearing. Very
effective because there is hardly any weight.




Front View.





Here is the switch on the frame, with
track leading to it. I will have to add
the track leading from it next.




This is a very handy track switch/splitter. This style collects
the marbles in a row, and then when full, drops them all at
the same time. This arm drops with 4, so it only needs one more.
The marbles in the background are the counterweight marbles.
They are just the right size...
This is not the best angle to see, but 4 tracks lead away
from beneath the marble arm collector/tipper.





This is the first layout of holes for the plinko scrambler.
The Plinko Scrambler takes 4 incoming tracks and lets the
marbles on those tracks mix it up in the middle. They bounce
off each other and the pins taking a new path out the bottom.
Sometimes they take different paths, sometimes they all take
the same path, each time it is different.


Here are the first pins. I still have to add another row.



Here is the finished gate with pins. Installed onto the sculpture.
I have yet to lead the wire paths into the plinko scrambler.
First things first.


This is a close up of the gate.





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