8
votes
1answer
740 views

What are all the third party (unofficial) accessories I can get for an NXT

Similar to this question but I'd like to know about 3rd Party/aftermarket options instead please. I've heard about motor multiplexers and the like but are there others, i.e. more sensitive colour ...
28
votes
7answers
2k views

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

I have a structure with some blocks facing in the 'normal' direction: nn nn nn nn | || || || | -- -- -- -- I would like to somehow connect a layer above this that has the blocks ...
21
votes
6answers
3k views

Does the LEGO Group condone war toys?

What is the LEGO Group's position on war toys? Other brands make tanks and army stuff. I noticed LEGO sets include more realistic guns in the Star Wars range than they used to. What's up with that?
18
votes
2answers
1k views

Why are LEGO slope bricks textured?

Why is the slope part of bricks textured instead of the usual flat & glossy edge? Are there any non-textured forms of these bricks?
15
votes
3answers
5k views

What is LUGBULK?

I have heard that LEGO have (or had) a programme called LUGBULK whereby clubs can purchase bulk lots of LEGO components direct fom LEGO. Is that true? If so, is it economical and how can I get ...
10
votes
3answers
4k views

Is there any application to keep an inventory of owned sets and pieces?

I'm looking for a desktop application that keeps track of sets and pieces owned. Ideally something that would look up LEGO databases such as Peeron or others in order to add the pieces in a set ...
28
votes
1answer
2k views

How has the basic brick changed over the years?

The basic 2x4 brick has many versions. For example the modern one has thinner walls and funny shaped tubes compared to an early 1980s brick. What were the changes over the years and how did they ...
26
votes
15answers
6k views

Do LEGO bricks float?

Is it possible to build a boat out of LEGO bricks? I appreciate you couldn't make it watertight but would a LEGO boat float by itself due to the buoyancy of the bricks themselves? Pictures of any ...
25
votes
5answers
7k views

How are LEGO sets designed?

I've often wondered how it is that LEGO goes about creating new sets. I can easily imagine a person sitting in a room all day with unlimited pieces of every shape but with some of the complicated sets ...
20
votes
3answers
5k views

What is the difference between the NXT and the RCX?

What is the difference between the NXT and the RCX? I know that the NXT is newer, but what features does it have that the RCX doesn't have, and vice versa (if the RCX has features that the NXT ...
19
votes
1answer
478 views

How does LEGO decide it needs a new element?

Aside from the need to add licensed series specific pieces, how does LEGO decide it's time to introduce a new shape to the element palette?
16
votes
3answers
16k views

How do I print images onto minifig body parts?

I have seen a few custom minifigures out there with images on certain body parts never produced by LEGO. What is the best way to achieve this? I have heard of some people printing out the image on ...
16
votes
4answers
902 views

Which hand is this minifigure extending normally?

I remember more than one argument with a friend over which way LEGO minifigures' hands should be oriented to be correct (with the thumb pointed upward/inward, like a human hand's neutral position). ...
13
votes
4answers
20k views

How can I wirelessly connect the NXT and an iOS device?

I've seen videos around YouTube (like this one for a car) that show an ability to control a Mindstorms set via iOS (either iPhone or iPod Touch). I am just getting started with Mindstorms, but find ...
12
votes
1answer
269 views

How to Decipher Lego Building Instructions Filenames?

On the official site for downloading lego instructions, the filenames are often quite cryptic, and many sets have as many as six different files you can download and sometimes it's hard to tell which ...
10
votes
1answer
2k views

Explaination of LXFML file contents

I am interested in writing a game that interprets LXF files into worlds (to create a game such as Lego Universe). After finding out how to extract the LXFML file from the LXF archive, I need to know ...
9
votes
2answers
3k views

Good LEGO CAD Design Software with Technic elements and animation

I'm taking computer engineering in Gr. 11 right now and our final project is to create a robot with the first version of Mindstorms. My partner and I are making a sumo robot for the class competition. ...
8
votes
1answer
427 views

What is this challenge to solve the Rubik cube as quickly as possible using LEGO bricks?

I saw videos of people participating in race to resolve a Rubik cube as quickly as possible using Mindstorm LEGO robots. Can you provide information if there is a competition, who is involved? What ...
7
votes
4answers
4k views

How can I convert an image's pixels to actual LEGO colors?

The LEGO Group released a few "mosaic" sets a while back, which came with clear baseplates and a bunch of 1x1 bricks. I have been wondering recently if it is possible to use an image as a reference ...
27
votes
4answers
5k views

How do I build a curved wall?

On my latest MOC I want to build a round tower. This is a minifig-scale build, and the tower is going to have a diameter of about 20/30 studs. How should I go about building the "curved" wall of the ...
24
votes
6answers
952 views

Does longterm storage in a connected state harm the studs/tubes?

Does storing bricks in a connected state lessen their longevity?
19
votes
7answers
21k views

Is there a reliable way to determine what minifigure is in a LEGO Minifigures series package?

I would love to have one of each minifigure from the various LEGO Minifigure series. Unfortunately, as you receive a random minifigure in each package, this is more difficult than it should be. I ...
16
votes
5answers
2k views

How can I motorize City-scale wheels?

I'd like to build city-scale (6 studs wide) vehicles motorized with either PF motor or clockwork. The primary problem right now is connecting wheel(s) to motor. Are there small enough LEGO wheels with ...
15
votes
4answers
5k views

Are LEGO bricks recyclable?

Yes, I know that it is kind of a dumb question, as no one would want to dispose of LEGO bricks. But it's a curiosity thing: are Lego bricks recyclable?
15
votes
3answers
597 views

How should I store unused stickers?

What is the best way to store stickers for future use? I have some unused LEGO sticker sets in plastic bags. The one on top in the bag has become brittle and is flaking.
14
votes
4answers
1k views

How to make a 1 ldu offset?

LDraw units are defined so that a simple 1x1 brick has a side of 20 ldu and a height of 24 ldu. Using simple building techniques, it's easy to create 2 ldu offset, as illustrated in this picture, ...
13
votes
1answer
600 views

How much weight can a handle of Technic pegs and beams support?

Some Lego spaceships have handles attached, made out of Technic beam and pegs, and attached to the model using Technic bricks, pegs, and axles. For example, 7644: MX-81 Hypersonic Operations Aircraft ...
12
votes
2answers
4k views

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

When did the flesh colors start and why? It seems yellow heads are here to stay too?
11
votes
1answer
560 views

Steering mechanism for City-scale vehicle

I'd like to build city-scale (6 studs wide) motorized vehicles with PF remote control. There are already several suggestions on how to motorize wheels. The next challenge is steering mechanism that ...
10
votes
1answer
934 views

Is there a freely downloadable set and part dataset?

I'm working on a project that will require a list of all sets including all of the parts they contain. I'm aware of at least three sites which have this information (Peeron, BrickLink, and ...
10
votes
3answers
4k views

Is it possible to build Lego bricks with a makerbot replicator 3D print?

Is it possible for plates, tiles or small pieces ? Is it possible to use MLCAD with a Makerbot replicator?
7
votes
3answers
1k views

Simplest approach for rail sets automation

How would you tackle the automation of a lego rails set. I am looking for a solution that can be achieved with available parts. From the answer I will chose either to invest into lego rail sets for ...
7
votes
2answers
6k views

What are the exact dimensions of a DUPLO brick?

The dimensions of LEGO brick are documented well, but what about DUPLO bricks? If have only found the general statements that DUPLO is twice as large as LEGO but no exact numbers. What about the ...
5
votes
2answers
4k views

Compatibility EV3 software with NXT brick - known limits?

Lego says I can I use the new software to program old NXT bricks: Q: Is EV3 backwards compatible with NXT hardware? A: Yes. You can program your NXT intelligent brick using the new EV3 ...
3
votes
3answers
557 views

Representing pregnancy on LEGO minifigs without a dome

So far for pregnancy I have tried a fetal carrier that I put on the minifig's back but this limits her movements. Specifically she can't bend too far in either direction and also she can't lay down ...
19
votes
6answers
981 views

What is the basis of purism in LEGO building? [closed]

LEGO purism is the idea that LEGO constructions should be made with only with official Lego blocks with no modifications. Other bits of plastic, papercraft, metal supports, and so on are frowned upon. ...
16
votes
4answers
5k views

How do you store your built models for long-term display?

My wife and I recently started to re-enjoy Lego and had a lot of fun building the Grand Emporium and a few other pieces but now they're collecting dust and we're lucky enough to have a few spare rooms ...
15
votes
7answers
35k views

What is considered the most valuable LEGO set?

Which Lego set is considered to be the most valuable set to own? I'm not talking about the most expensive set, and clearly it has to be out of production already, but when trying to collect complete ...
14
votes
3answers
594 views

What are the female parts called?

What is the proper term for the "female" section of the piece that the "studs" insert into? I have heard "pipes", "tubes", "underbits". Is there an actual term for the female section?
14
votes
2answers
1k views

Are LEGO elements safe to use in an aquarium with fish?

Are LEGO elements safe to use in an aquarium with fish? I've never seen LEGO elements in a working fishtank.
14
votes
3answers
2k views

Is there a Technique or Algorithm for Building Spheres?

There are times when I would like to build a sphere or a dome like this one: From Small Lego Sphere Project While this example is great, I find it difficult to scale it to another size, whether ...
13
votes
2answers
6k views

How do I know when current sets will retire?

As the title asks, how is the easiest way to find when current sets on the Lego website will be retired and no longer sold. For example, the 10197 Fire Brigade has been around since 2009, same as ...
12
votes
2answers
4k views

Where do bulk LEGO sellers on eBay get their bricks?

The are a large number of people on ebay selling LEGO by the pound(or kg), for example, this guy. The LEGO is (implied to be) pre-owned as the eBay descriptions often say the bricks have been washed ...
12
votes
4answers
1k views

Will my LEGO bricks discolor in indirect sunlight?

I have a bunch of new LEGO sets because of my new status as an AFOL. I've got them sitting on the dresser in a room that gets indirect sunlight (see below). There is no direct rays hitting the LEGO ...
11
votes
3answers
1k views

Are there any great LEGO designers that are well-known?

I know that many designers work for LEGO but I was wondering if there was some 'Star Designers' that we should know by name. Of course, I would also like to know what they are famous for.
11
votes
1answer
545 views

How can I create a visually appealing Castle wall from one colour?

I have a bag of hundreds of classic light grey 2x4 bricks, and 2x1 bricks. How can I use these to make some interesting castle walls?
11
votes
6answers
4k views

What is piece 4211642 from 10179 - UCE Millenium Falcon?

I'm working on making sure I have all necessary pieces for 10179: Ultimate Collector's Edition Millenium Falcon (a painstaking process, to say the least). I received the set not entirely complete, ...
11
votes
2answers
672 views

What's the largest LEGO construction ever?

In terms of the number of bricks used. Is this house, constructed by James May for the show Toy Stories, the biggest?
10
votes
2answers
1k views

Is it possible to obtain a replacement part for a collectible minifigure?

My son's latest collectible minifigure purchase was missing its legs. Is it possible to get a replacement set of legs?
10
votes
2answers
632 views

Is it possible to add the power functions to Western Train Chase?

I recently got the Red Cargo Train and it's a great Lego set but a Cars themed train going around my Christmas tree would be even better. Has anyone gotten the power functions to work on the Western ...

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