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.
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.
the 3rd generation of LEGO MINDSTORMS, released in 2013.
428 questions
Questions asking for information about a known LEGO element/brick. Include the [Identification] tag for questions about unknown elements.
366 questions
A more advanced form of LEGO®, allowing for the creation of more realistic working parts.
356 questions
only for general Mindstorms questions and compatibility. If the question refers specifically to the EV3, NXT, or RCX, then use those tags instead.
315 questions
Interested in building techniques? Then this is the tag for you.
289 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.
236 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…
194 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
186 questions
Questions about programming the various LEGO programmable bricks, including Mindstorms (Robot Inventor, EV3, NXT, and RCX), Wedo, Spike and Scout, in either the provided languages and editors, or more…
184 questions
The practice of exchanging goods for money or for trade.
180 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.
160 questions
Questions about software related to planning models or programming LEGO robots.
152 questions
A popular choice among AFOLs for building their own creations, Trains are now a sub-theme of LEGO City.
144 questions
compatible with LEGO bricks.
128 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.
125 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
125 questions
A category of powered LEGO products which offer direct and remote control of action bricks.
124 questions
Questions about the skillful and artistic planning of LEGO structures.
120 questions
Questions that relate to the history of The LEGO Group and it's products.
93 questions
Questions about the inter-compatibility of different brick sets, or between bricks and some other objects.
84 questions
Questions relating to the LEGO Group specifically, rather than about bricks, building techniques, etc.
73 questions
designed for young children aged 1½ to 5 years. Duplo bricks are twice the length, height and width of traditional Lego System bricks.
70 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…
69 questions
Bricks and Elements sometimes break - perhaps we can help you fix them?
69 questions
Assistance with identifying Minifigures
65 questions
The Lego Digital Designer CAD software was developed and published by The LEGO Group from 2004-2016.
62 questions
Questions about the industrial manufacturing process of brick toys or related materials.
56 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.
56 questions
Questions about colour correctness, colour similarities and how to best use certain colours.
56 questions
commonly found in Technic sets.
55 questions
a graphical programming environment that comes bundled with the EV3 Retail edition.
54 questions
Controlling LEGO creations remotely.
54 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.
52 questions
A proprietary open wireless technology standard for exchanging data over short distances. Used by the NXT for communication between the programmable brick and a PC or Mobile device.
52 questions
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