I have recently had a mad thing about marble runs so I made one out of Lego another of the things I am mad about. It has 2 lifts - one a piston stair lift and the other a belt lift. The belt lift can lift the marbles higher but the stair lift looks cooler. The stairs are sloped so when the marble is on a lifting piston stair it lifts and drops on to a stationary stair and when the next step goes lower the marble falls down until it is at the end and goes on to the track.
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| Belt lift |
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| Stair lift |
The track is made of a 2 brick high and the width make it as long as you want to then add some side pieces to stop the marble from falling off.
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