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June 19, 2026

Making Your MOCs Move: Managing Motorized LEGO Models

June 19, 2026/ Dave Schefcik
Making Your MOCs Move: Managing Motorized LEGO Models

Adding movement to a LEGO MOC is one thing. Keeping it running for an entire convention weekend is something else. Bethany Wright shares the lessons she learned through trial, error, repairs, and plenty of white LEGO dust.

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June 19, 2026/ Dave Schefcik/ 1 Comment
Conventions, Deep Dive, Guest Article
Movement, Mechanisms, Conventions, MILS, Gears
May 02, 2026

Everything You Want To Know About LEGO Gears

May 02, 2026/ Ronald Vallenduuk
Everything You Want To Know About LEGO Gears

Join us as we explore the history of LEGO gears, the different types, how they work together (or don’t), and why they have so many teeth!

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May 02, 2026/ Ronald Vallenduuk/ 9 Comments
Deep Dive
Technic, Gears, Ratios, Samsonite, history, math
December 08, 2024

When Technic Wasn't Technic

December 08, 2024/ Ronald Vallenduuk
When Technic Wasn't Technic

You might think LEGO Technic has a straightforward past, but then BrickNerd wouldn’t be publishing an article about it! Come find out when Technic wasn’t Technic.

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December 08, 2024/ Ronald Vallenduuk/ 10 Comments
Deep Dive, Theme 101
Technic, Gears, Samsonite, Liftarm, Mindstorms, Bionicle, Forma, Racers
February 25, 2024

Brick Engineering: Planetary Gear Trains

February 25, 2024/ Michael J
Brick Engineering: Planetary Gear Trains

Happy Engineers Week! Join Michael as he explores the 6x6 quarter-circle gear racks to make LEGO planetary gear trains.

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February 25, 2024/ Michael J/ 4 Comments
Techniques
Technic, technique, Gears, Planetary, transmission, Engineering, Planetary gear, sun gear, ring gear, LEGO
November 28, 2014

Mechanical Bug

November 28, 2014/ Tommy

Do you suppose less people would be creeped out by bugs if they were steam powered and had adorable little gears and complex mechanisms inside them? One can only suppose, but we can envision that possibility with this brilliant mechanical beetle by Dwalin Forkbeard.

Mechanical Bug
Mechanical Bug (mechanism)
November 28, 2014/ Tommy/ Comment
MOC Spotlight
Entomology, Bugs, Beetle, Steampunk, Gears, LEGO

Tommy


Featured
LEGO Castle Faction Names According To Kids
LEGO Castle Faction Names According To Kids

LEGO Castle has featured quite a few factions like the Wolfpack and Fright Knights. But what would kids name them after only seeing their shields? Make way for the Mean Rocktopusses!

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LEGO Color Names According To Kids
LEGO Color Names According To Kids

Brian Hickey is back with another installment of LEGO According To Kids. This time he asks his to young children about their thoughts on LEGO color names. Read on to find the interesting and comical results!

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LEGO According To Kids: Part Names and Acronyms
LEGO According To Kids: Part Names and Acronyms

AFOLs have a language all their own, giving LEGO parts a variety of interesting nicknames and acronyms. But what do kids think of these part names? Well, we asked and they did not hold back…

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The Meaning of LEGO Instructions Symbols… Interpreted by Kids
The Meaning of LEGO Instructions Symbols… Interpreted by Kids

What do all the symbols used in LEGO instructions actually mean? But what do kids think they represent? Pull up a blanket… err sticker sheet… and find out.

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Metamorphosis: Highlights From Bio-Cup 2026 Round 2
Metamorphosis: Highlights From Bio-Cup 2026 Round 2

Change was in the air for Bio-Cup 2026 Round 2 as builders tackled the theme of Metamorphosis. From fatherhood and molting to decay and rebirth, these are some of the transformations that caught our eye as the competition moves toward its final rounds.

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LEGO Contest Round-Up for September 2026
LEGO Contest Round-Up for September 2026

September has arrived with a fresh selection of LEGO contests and challenges. Don’t miss your chance to build a MOC and maybe even win some awesome LEGO prizes. With SHIPtember, the Brick Train Awards, and the return of the BrickLink Designer Program, there’s plenty of inspiration to start building!

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The Legend of the Chrome Cup
The Legend of the Chrome Cup

Why is this small, shiny LEGO chrome cup so expensive? And why is it so beloved (and hoarded) by builders of GBC modules? Today, we explore the legend of the chrome cup.

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LEGO Waterfall Techniques: Don't Go Chasing Them, We've Done That For You!
LEGO Waterfall Techniques: Don't Go Chasing Them, We've Done That For You!

LEGO waterfalls are magical because they are both a memorizing moment frozen in time and also incredibly varied in how to build them. Here are some LEGO waterfall techniques from around the AFOL community, but be warned, you might get wet!

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