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.

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General Mindstorms questions and compatibility. If the question refers specifically to the EV3, NXT, or RCX, then use those tags instead.
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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
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In the LEGO communuity MOC stands for 'My Own Creation'.
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a model based?
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Series of minifigure scale buildings designed for ages 16 and over.
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Motors can be used with various Mindstorms and Power Functions sets to add movement.
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a high-level programming language for the Lego Mindstorms NXT.
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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.
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a graphical programming environment that comes bundled with the NXT.
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Is it more efficient to colour code your LEGO bricks or sort them by shape? What are the best combinations of elements if you've not got enough boxes for each type?
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Questions about the labeling, packaging, and processing of building sets
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A form of intellectual property. It consists of a set of exclusive rights granted by a sovereign state to an inventor or their assignee for a limited period of time in exchange for the public disclosu…
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Pick-a-Brick at lego.com or retail stores
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Questions asking for information about a known LEGO element/brick. Use the [Identification] tag for questions about unknown pieces or sets.
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Techniques and tips for using special elements.
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made out of ABS (acrylonitrile butadiene styrene)
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A category of powered LEGO products which offer direct and remote control of action bricks.