Possible new idea for cheap ball lifter?

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I didnt see any posts about this and i figured id share my idea and see if anyone can run with it.

The spacerail marble rollercoaster set


I believe the augers are stackable based on this picture


and the augers themselves are available at SpaceRail Gear Box, Stand And Elevator Parts - SpaceRails.com but its almost cheaper to get 2, level 1 sets. According to what ive read the standard ball size for these sets is .5 inches, unless im mistaken A Pachinko ball is made of steel and is 11 millimeters (approx 7/16"). The guard rails for the augers might require a little modification to prevent the balls from falling out going up. Also im not great with resistors, to know how you would be able to wire the motor to 24 volts off the transformer. I figured id share my potential idea, since ball lifters are so expensive and this looks more than sufficient for pachinko needs!