Tag Archives: domino

These LEGO dominos keep getting knocked down, but they get up again

Engineering mastermind Grant Davis comes to us today with an infinitely brilliant design: a machine that knocks over and resets ten LEGO dominos. The simplicity of the tan dominos atop a plain gray box with only “D-O-M-I-N-O” spelled out on the front belies the complex machinery within. Grant has rigged up sections of of the base to open, revealing liftarms that right the fallen dominos in reverse order. This allows for another round of toppling via a different poking device, again hidden in the base. But the really impressive genius here is the magnet system in each domino making sure that the rectangular tiles always fall and reset into the same positions. To hide the standard LEGO magnet in a two-stud width without sacrificing any exterior design is truly marvelous!

Infinite Domino Machine

Of course a picture can only do this build so much justice. Check out a full explanation of Grant’s design process, and the final product in action, in the video below. Oh, and prepare to pick your jaw up off the floor, as well. This machine isn’t designed to reset that…

TBB cover photo for May 2021: Domino Rally Diorama

Watching dominoes fall is fun. It’s mesmerising. In addition to the time and concentration spent setting them up for that sole purpose, it’s satisfying watching the art form of them tumble into each other. It’s better when the layouts are intricate and imaginative, full of varying levels and moving gizmos that further demonstrate reactions. As a part of the RogueOlympics 101 parts challenge, builder Ben Tritschler built a small layout resembling wooden building blocks that every small child seems to have had. And it functions too! Ben also uploaded a video where he topples the dominoes and it’s oh so satisfying! Fun fact: That’s Stretchy from Little Robots, and he is genuine LEGO, as he comes from an old Duplo set.

Check out more builds from the RogueOlympics contest here!

Stretchy's Domino Rally Paradise

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