A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.

is used for questions regarding what kit a particular block is from, or what its purpose is.
the current generation of LEGO MINDSTORMS, released in 2013.
401 questions
Identification of specific LEGO set based on limited information such as (but not limited to) a description of the set or a picture of piece(s), parts bag(s) or a partial build.
Questions asking for information about a known LEGO element/brick. Include the [Identification] tag for questions about unknown elements.
346 questions
A more advanced form of LEGO®, allowing for the creation of more realistic working parts.
only for general Mindstorms questions and compatibility. If the question refers specifically to the EV3, NXT, or RCX, then use those tags instead.
305 questions
Interested in building techniques? Then this is the tag for you.
277 questions
A programmable robotics brick released by the LEGO company in late July 2006 and uses Technic connectors. This was preceded by the original RCX brick, and succeeded by the EV3 brick.
232 questions
Curious as to what you can do with the elements in a particular set? Want to know what's in a range of sets? What changes have happened with different versions of a set? Please include the [Identifica…
190 questions
The iconic LEGO® character. They have pose-able heads, arms, hands and legs. Many accessories are available including hair, hats, back-packs, tools and weapons
173 questions
Questions about programming the various LEGO programmable bricks, including Mindstorms (EV3, NXT, and RCX), Wedo and Scout, in either the provided languages and editors, or more advanced languages.
171 questions
The practice of exchanging goods for money or for trade.
170 questions
Questions about software related to planning models or programming LEGO robots.
138 questions
A popular choice among AFOLs for building their own creations, Trains are now a sub-theme of LEGO City.
137 questions
Based on the full set of Star Wars films, from episodes I to VI, and the animated Clone Wars film and TV series this was the first licensed theme the LEGO Group produced.
119 questions
Instruction Manuals - use them once to build a model, or store them for future reference? Perhaps you want to create your own? However we can't really field individual manual requests
116 questions
A category of powered LEGO products which offer direct and remote control of action bricks.
116 questions
Questions about the skillful and artistic planning of LEGO structures.
108 questions
compatible with LEGO bricks.
107 questions
Questions that relate to the history of The LEGO Group and it's products.
87 questions
Questions about the inter-compatibility of different brick sets, or between bricks and some other objects.
80 questions
Motors can be used with various Mindstorms and Power Functions sets to add movement.
77 questions
a machine, especially one powered by electricity, elasticity, pressure, internal combustion or some other means, that supplies motive power for a device with moving parts.
71 questions
Questions relating to the LEGO Group specifically, rather than about bricks, building techniques, etc.
70 questions
designed for young children aged 1½ to 5 years. Duplo bricks are twice the length, height and width of traditional Lego System bricks.
67 questions
Bricks and Elements sometimes break - perhaps we can help you fix them?
63 questions
The Lego Digital Designer CAD software was developed and published by The LEGO Group from 2004-2016.
61 questions
the branch of physics and technology concerned with the design of circuits using transistors and microchips, and with the behavior and movement of electrons in a semiconductor, conduct…
59 questions
Assistance with identifying Minifigures
58 questions
Questions about colour correctness, colour similarities and how to best use certain colours.
55 questions
Questions about the industrial manufacturing process of brick toys or related materials.
54 questions
In the LEGO community MOC stands for 'My Own Creation'. Use this tag for questions regarding issues with constructing various features beyond simple structures.
52 questions
a graphical programming environment that comes bundled with the EV3 Retail edition.
52 questions
What's the best way to clean your bricks? What's the best way to care for them? These sorts of questions and more should be tagged with this tag.
51 questions
The original LEGO Mindstorms Programmable Brick. Use this tag if your question specifically relates to Mindstorms Robotics Invention System 1.0, 1.5 or 2.0.
50 questions
Controlling LEGO creations remotely.
49 questions
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