Marble machines are the kind of useless mechanisms that everybody loves. Their sole purpose is to route marbles through different paths for your viewing pleasure. They can be extremely complicated ...
As far as marble runs go, few can hope to compete with [Wintergatan]’s amazing musical works. While undertaking the build of the Marble Machine X, timing problems became apparent. You can crank the ...
We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Burt Helm A great marble run, like any good learning toy, sparks curiosity and ...