Marble Machines are complicated but useless pieces of toy machinery that automate the process of playing with marbles. This automation could in theory lead to gains in productivity as people are now freed up to pursue more productive goals.
But as it turns out, it's even more fun to watch an automated machine that plays with marbles.
Modular marble machineA marble machine / building block combination
Marble machine 2.1A more refined redesign of marble machine 2
Marble run building blocksAnother set of building blocks for marble tracks
Seven amazing marble machinesMade by Paul Grundbacher, from Switzerland
Marble machine 1My first wooden marble machine
Marble machine 2My second wooden marble machine. Very loud.
Lego marble machineMy first marble machine - inspiration to build the wooden machines
Binary marble adding machineA machine that adds in binary, using marbles
Michael Schultheiss's marble machineA very complicated and elaborate machine!
Ronald Walter's marble machineMotorized, with Lots of gears!
Ryszard's "Archimedes" marble machineInspired by Paul Grundbacher's machines
Ryszard's "Chaos2" marble machineInspired by Paul Grundbacher's machines
Marble run building blocksAn earlier set of blocks, a gift for my nephews.
Briand Sanders's machineBrian Sanders's beautiful version of marble machine 2.1
Marble pumpAn elegant little mechanism to push marbles up a column
Elevating wheelA high throughput elevating mechanism that never jams
FlipflopA way to divide the marbles into two equal streams