Zhaph - Ben Duguid
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Is it possible to build simple logic gates with LEGO mechanics?
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60 votes

Various people have done this - however most of the links seem to point to a [then defunct] blog by Martin Howard (Randomwraith) from 2004. A more recent, and available, post on this, using newer ...

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Does the LEGO Group condone war toys?
53 votes

Kind of. From the LEGO Group's Corporate Responsibility report: Guideline for weapons and conflict in LEGO experiences A large number of LEGO minifigures use weapons, and are – assumedly – ...

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What glue should I use for permanent LEGO construction?
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51 votes

The LEGO Group have recently started using solvents to "weld" elements together (notably the Minifigure legs to the magnet blocks), which are fairly heavily controlled in pure forms in most countries ...

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What is the largest single LEGO piece?
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40 votes

The "Extra Large" grey baseplate is 15"/38cm square, with 48 studs to a side. Alternatively, the moulded castle baseplate had a greater volume (with height), and a base size of 32x48 ...

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How can I invert the direction of blocks in a structure?
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32 votes

It depends on how close they need to be. The following solution works, if you're happy to have things sticking out around the join: "Brick 1x2 M. 2 Holes Ø 4,87", [part:32000:7]; There's also a 1x1 ...

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Why do some minifigs have yellow heads and some are flesh colored?
28 votes

To answer the first part of the question, the Company Profile presentation (deep, direct link) states: When the minifigure first appeared, it was decided that its face should have only one colour: ...

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How do I build a curved wall?
28 votes

I managed to put together the following set-up for the beginnings of a slightly narrower tower: This gives me a radius of about 7 studs if I go as tight as I can, giving a diameter of about 14/15 ...

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LEGO cleaning techniques and tools
27 votes

LEGO recommends using a mild detergent in water to clean your bricks, or a mild bleach: We recommend that you clean or wash your LEGO parts only by hand at max. 40°C or 104 degrees (F) Fahrenheit. ...

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How many minifigs have actually flown in space?
26 votes

Actual Minifigures In Space There have been a number of videos posted from the ISS mission, where we can clearly see one of the astronauts (Satoshi Furukawa) on the station holding a model with some ...

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What LEGO set are these decorated tiles from?
26 votes

These came from a number of sets, including a handy "Decorated Elements" set that covered most of the printed parts from the mid-90s space theme. However, Recon Robot appears to be the only one that ...

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Why do LEGO boxes have a maximum age limit?
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25 votes

I believe it shows the target age range of the model - perhaps kids who've been doing all the harder Technic or more complex models - for example the VW Camper Van is rated 16+ - and might find it a ...

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Why do some sets contain parts of an unrelated colour that are hidden on the final model?
23 votes

I believe the main reason is so that the pieces are easy to identify in the instructions - as many LEGO sets don't have the Technic style "List of elements used in this step" it's always a fun game of ...

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In what ways are LEGO and Megabloks incompatible?
22 votes

The problem is that while in general MegaBloks bricks fit with LEGO bricks, the quality control on the MB bricks seems to be much lower*, so the bricks/studs and holes are not always the same size. ...

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Why does the Erling brick have a ridge below its outward facing stud?
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22 votes

The ridge is there to make the base the standard 5LUs wide (see also "What is an Erling Brick"), enabling it to accept the standard stud. I believe the rest of the brick was thinned out so that the ...

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How does one get a job as a LEGO designer?
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22 votes

There's a nice interview with LEGO Designer Mark Stafford on The Brothers Brick: From LEGO fan to LEGO set designer - the Mark Stafford interview The basic process was: The position was ...

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What are LDUs and how do they relate to LEGO bricks?
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21 votes

LDU stands for LDraw Unit - the basic unit of measurement in LDraw, the open standard for LEGO CAD programs, and map to the "Fine" grid setting in applications such as MLCad. Common measurements ...

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Is it safe to wash LEGO pieces in the dishwasher?
21 votes

LEGO does not recommend using a dishwasher to clean your bricks: We recommend that you clean or wash your LEGO parts only by hand at max. 40°C or 104 degrees (F) Fahrenheit. Higher temperatures may ...

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How much would it cost to buy one of every retail LEGO set released in a year?
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19 votes

Brickset allows you to export a search as .CSV and appears to include prices for all regularly available sets - this does exclude promotional sets (i.e. in-store, newspaper vouchers, magazine gifts, ...

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Why are they called "minifigs"?
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19 votes

The minifigure is so-called because the original LEGO "Family" figures that were released in 1974 where somewhat larger, with bodies made from 2x2 Bricks, and arms made from hinged tubes. There's a ...

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What are the practical bounds of a minifigure?
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19 votes

Standing The smallest area you can enclose a standing minifig in is just about 4x4x4 2/3 with the roof on: To reach this limit, you need to use the panels and windows to make room for the arms ...

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What is "micro-scale" building?
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19 votes

It refers to building items at a much smaller scale than the usual "mini-fig" scale. For example the "Micro" Star Destroyer: 4492 Mini Star Destroyer Edit to add: Officially however, when bought ...

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Identify this license plate holder piece
17 votes

There are two variant of that, which look very similar: Stud.IO lists them as: Brick, Modified 2 x 4 - 1 x 4 with Recessed Studs and Thick Side Arches Brick, Modified 2 x 4 - 1 x 4 with Recessed ...

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What different series are or have there been designed primarly for girls?
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17 votes

As you've seen, the LEGO Friends sets are the latest theme aimed primarily at girls, however there are a number of current, and even more historical themes. Other themes have included: The Powerpuff ...

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What is LEGO Cuusoo?
17 votes

In 2008 The LEGO Group partnered with the Cuusoo Social Creation Platform as a way for (initially) the Japanese market to suggest new LEGO sets for development and sale in that region. This resulted ...

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Cleaning between the studs of a build
16 votes

Have you tried one of the smaller portable vacuum cleaners? I've had a few of the battery operated "Keyboard Cleaner" type of thing, which usually come with a brush nozzle and work quite well. Unlike ...

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What's the thing between the pant legs?
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16 votes

They are referred to as "Minifig Hips" almost everywhere: [partlink:970:4]. The LEGO Pick-a-brick service doesn't sell them without legs, and just refers to the whole construction as "Mini Figure ...

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Is Technic compatible with Mindstorms?
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16 votes

Yes. The current Mindstorms sets are completely Technic orientated and use the Technic pins (i.e. [part:3673:7]) to connect to the newer Technic Beams (i.e. [part:32316:7]) as well as the original ...

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LEGO games for grown-ups?
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14 votes

The most obvious answer is probably the LEGO Heroica range, especially when played in "Campaign" mode; for more details see our Heroica tag wiki. There are also a few examples of "Expert" rules that ...

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Which sets currently contain pneumatic LEGO equipment?
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14 votes

In the UK shop, there are currently two sets: The Unimog U 400 [set:8110] which uses the motorised "compressor" to supply the power (as opposed to the manual sprung pump). And the Tractor with Log ...

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How can I make micro-scale water?
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14 votes

The 1x1x2/3 slopes would be ideal for making waves, etc.: and or the 1x2 options. Along with some blue tiles you could make some great waves: Obviously, if you don't want them breaking, keep the ...

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