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.
12V was a voltage standard for LEGO Trains sets from 1969-1993. It is no longer used in any modern products by LEGO.
Any type of components or tools not directly endorsed by LEGO or it's affiliates.
Questions about LEGO advent calendars.
Questions regarding building techniques and practices of LEGO stop-motion animation.
Questions based on sets from our Annual Support Package from The LEGO Group
Questions relating to the Lego Architecture theme
Related to operating constructions without human interaction. This often involves Mindstorms, but can also involve other hardware and software.
challenges that involve building a LEGO set within its original sealed packaging.
Questions about the LEGO product line Bionicles which is a story-based character-focused building theme with science fiction elements.
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.
an e-commerce site that allows registered users to buy/sell/auction parts, sets, and other LEGO related items.
A service provided by LEGO group for ordering individual bricks and other LEGO pieces.
LEGO Theme of sets involving knights, castles medieval life and occasionally fantasy.