History:
2020 Dec 19: Autosticks came up to keep small marbles from falling sideways off Lower Zig Zag 2F. They became the Lower Zig Zag 2F Guardrails.
2020 Dec 01: Pinky brought marbles up to test the Lower Zig Zag but one of them fell. Autosticks are on the way in to extend the rails.
