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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.

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.
670 questions
used for questions regarding what kit a particular block is from, or what its purpose is.
666 questions
EV3 is the 3rd generation of LEGO MINDSTORMS, released in 2013.
478 questions
A more advanced form of LEGO®, allowing for the creation of more realistic working parts.
461 questions
For questions asking for information about a known LEGO element/brick. Please include the [part-identification] tag (or another appropriate tag) for questions about unknown elements.
422 questions
Interested in building techniques? Then this is the tag for you.
366 questions
only for general Mindstorms questions and compatibility. If the question refers specifically to the EV3, NXT, or RCX, then use those tags instead.
357 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.
244 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…
219 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…
213 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
207 questions
Companies who make bricks that are compatible with LEGO bricks.
204 questions
A motor is 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.
204 questions
The practice of exchanging goods for money or for trade.
192 questions
A popular choice among AFOLs for building their own creations, Trains are now a sub-theme of LEGO City.
177 questions
Questions about software related to planning models or programming LEGO robots.
174 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
152 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.
147 questions
Questions about the skillful and artistic planning of LEGO structures.
141 questions
A category of powered LEGO products which offer direct and remote control of action bricks.
140 questions
Questions that relate to the history of The LEGO Group and it's products.
105 questions
Bricks, pieces and other elements sometimes break, deform, stop working, or get otherwise damaged - perhaps we can help you fix them?
97 questions
Questions about the inter-compatibility of different brick sets, or between bricks and some other objects.
94 questions
Electronics are 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…
93 questions
A category of powered LEGO products which offer direct and remote control of action bricks via Bluetooth. This system is the successor to Power Functions.
92 questions
LEGO Duplo bricks are designed for young children aged 1½ to 5 years. Duplo bricks are twice the length, height and width of traditional Lego System bricks.
88 questions
Assistance with identifying Minifigures
86 questions
Questions relating to the LEGO Group specifically, rather than about bricks, building techniques, etc.
79 questions
Controlling LEGO creations remotely.
75 questions
Questions about colour correctness, colour similarities and how to best use certain colours.
72 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.
71 questions
The technique of disassembling two or more parts from one another.
70 questions
Gears transmit rotary motion and are commonly found in Technic sets.
69 questions
The Lego Digital Designer CAD software was developed and published by The LEGO Group from 2004-2016.
67 questions
Used for old vintage LEGO sets and pieces.
61 questions
EV3-G is a graphical programming environment that comes bundled with the EV3 Retail edition.
58 questions
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