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13 votes
1 answer
2k views

How can I identify a set based on one or more original sealed bags?

I have recently come into possession of one or more sets in the form of factory-sealed individual bags made of transparent plastic, containing various LEGO elements. There is neither box nor any ...
zovits's user avatar
  • 16.8k
49 votes
17 answers
61k views

LEGO cleaning techniques and tools

Previously I've used toothbrushes but maybe these would eventually scratch the surface. What have you used? And was it easy? As well as cleaning, what about drying and buffing? Has anyone tried ...
Umber Ferrule's user avatar
28 votes
5 answers
64k views

How can I identify LEGO sets from a box or bag of parts?

I am a lifelong LEGO Maniac, and my kits from when I was a kid were passed down to my nephew, who has just passed them down to my son (40 years of history...). The trouble is that none of my old plans/...
bakoyaro's user avatar
  • 671
99 votes
9 answers
81k views

Do any programs exist that allow you to build your own LEGO manuals?

What I'm looking for is a program or website/webapp that allows "virtual" building of a LEGO model, step-by-step, and allows you to save these single steps to get a complete building plan in the end. ...
oezi's user avatar
  • 5,613
89 votes
7 answers
264k views

What are the dimensions of a LEGO brick?

What are the real world dimensions of bricks? (starting with 1x1 brick) Plates? Studs? Does LEGO think of this in metric or imperial units or something else?
Erik Olson's user avatar
  • 4,271
77 votes
11 answers
283k views

What's the most cost effective way to buy bulk LEGO bricks?

I've found a couple places to pick up bulk LEGO, but they all have various issues. Bricklink - I found their user interface confusing, clunky, and straight out of 1998. I'm aware of a couple of ...
craigmoliver's user avatar
  • 1,759
16 votes
5 answers
33k views

How to use Power Functions with Mindstorms EV3?

Having learned that Mindstorms EV3 doesn't work directly with Power Functions, Q: Can you use Power Functions motors with the EV3 programmable brick? A: No, the connector does not match. I still ...
auselen's user avatar
  • 587
53 votes
13 answers
253k views

What glue should I use for permanent LEGO construction?

The incredible precision of LEGO parts makes them attractive for building precise jigs, but the fact that they can come apart fairly easily isn't so helpful for this application. Can anyone recommend ...
Caleb's user avatar
  • 1,065
7 votes
2 answers
14k views

EV3-specific bricks missing from Lego Digital Designer 4.3.11 (Win)?

I have LDD on my Mac and have used it to create EV3 models (like an FLL robot, or a Lego dot-matrix printer). Recently, I purchased a cheap Windows laptop for use by a FLL team. After twice ...
Kirkman14's user avatar
  • 223
63 votes
6 answers
63k views

Are DUPLO blocks compatible with LEGO blocks in any way?

Can I build a model out of both DUPLO blocks and LEGO blocks? Do they fit together?
fredley's user avatar
  • 3,214
40 votes
3 answers
23k views

Where or how do I get replacement stickers for my LEGO set?

I have a BMW Williams F1 LEGO set 8461 that I built when I got it several years ago. I unfortunately let it sit out on my shelf for a long time. The stickers have peeled and cracked and some have ...
Scott Wylie's user avatar
48 votes
2 answers
41k views

How do I identify a LEGO part?

Over the vast years of collecting bricks of various sizes and sets, I find that during my free builds I run low on a specific type of brick. How can I go about identifying what the brick is named and ...
Marco Ceppi's user avatar
43 votes
9 answers
12k views

What are the best LEGO storage options?

I have several Lego sets and I usually build them and then make them small enough so they fit back in the box for long term storage . . . but my dream is that I can take apart my model and organize ...
tooshel's user avatar
  • 2,468
27 votes
5 answers
18k views

How can I use more than three motors with one NXT brick?

I'm building Caterpillar Excavator with my NXT, and at the moment I'm trying to control 4 points of motion: 2 Caterpillar Tracks - These should be controlled independently to allow for cornering, etc....
Zhaph - Ben Duguid's user avatar
8 votes
6 answers
44k views

Lego remote controlled cargo train not working

I've helped my son put together the Cargo Train set (60052) but now we can't get the remote control to work. It all looks like it's been assembled correctly with new batteries put in, but it doesn't ...
Jj24's user avatar
  • 81
41 votes
2 answers
20k views

What is the bley (blay) color?

I keep reading on various lego web sites about an elusive brick color called "bley" or "blay". What is it and what is the story behind this?
jfyelle's user avatar
  • 3,242
35 votes
6 answers
8k 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?
Erik Olson's user avatar
  • 4,271
34 votes
4 answers
31k views

How many different colours of LEGO bricks are there?

Excluding translucent pieces, how many colours of official LEGO bricks are there?
fredley's user avatar
  • 3,214
33 votes
2 answers
19k views

How do you repair yellowed or faded LEGO blocks?

In particular, I've had white blocks that have yellowed in places. Can the colour consistency be restored? Or at least improved? I'd be more interested in people's actual experiences rather than ...
Umber Ferrule's user avatar
30 votes
2 answers
43k views

What kind of plastic are LEGO bricks made of?

It’s rather obvious that Lego bricks are made from plastic, but there are many kinds of plastic. Is the recipe for LEGO bricks plastic secret?
mikl's user avatar
  • 1,340
28 votes
6 answers
85k views

In what ways are LEGO and Megabloks incompatible?

I know that the basic bricks of LEGO and Megabloks fit together, but was wondering if other elements do too. Such as: Plates Rods (Ones Minifigures can hold, not Technic) Right angle (such as Erling)...
Pubby's user avatar
  • 5,226
27 votes
2 answers
2k views

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

With recent and current sets, I noticed that some contain parts of a totally different colour than the rest of the set. An example is 8200-1: Radiator Springs Lightning McQueen, which contains a blue ...
SQB's user avatar
  • 1,156
16 votes
4 answers
8k views

How should I go about selling a large number of unsorted LEGO sets?

Here is my problem. Over the years my son had me buy a large number of Star Wars sets (including 10179, 10188, 6211, 7676, 7675) and he built them. Then he traded (or lost) most of the mini-figs ...
Big Wave Dave's user avatar
56 votes
2 answers
16k views

Is there anything like a 'recipe generator' for LEGO models?

For me, most of the fun of LEGO toys, is building new things from the instructions. Rebuilding things can be fun, but if I know I have certain bricks (or even sets), is there somewhere to cross-...
Umber Ferrule's user avatar
48 votes
7 answers
59k views

Is there any other way to program the Lego Mindstorms NXT other than the provided software?

I'm curious to know if there is any way to program the NXT other than the provided software. I don't necessarily have any issue with the software. Does the program created by the software translate ...
Jasarien's user avatar
  • 583
39 votes
4 answers
7k views

What are proven methods to sort/categorize a large number of parts?

How would you recommend to sort your Lego parts? Finding a certain part in a box with parts of about 20 models takes ages. Should I sort by color? Or by size? Another category?
Zeemee's user avatar
  • 493
39 votes
6 answers
57k views

Why do LEGO boxes have a maximum age limit?

I am wondering why do LEGO boxes have a maximum age limit printed on them? My girlfriend has just gifted me LEGO Starfighter (8088) and it has an age range of 8-14. Why not just write 8+? Are there ...
Drake's user avatar
  • 493
39 votes
4 answers
17k views

How can I store LEGO bricks to prevent damage?

I have some LEGO bricks which are probably about 10 years old. They've neither changed color in any way nor dried out or anything, so it seems to be as stable as ever. How should I store them so that ...
Sibbo's user avatar
  • 2,175
37 votes
4 answers
12k views

When did LEGO decide that it was okay to put a stud into a Technic hole?

At one point, LEGO didn't really support putting a stud into a Technic hole, stating that it caused too much stress on the bricks. And for a while, there were no sets where that's the case. However, ...
Nathan's user avatar
  • 1,849
36 votes
2 answers
10k views

What is an Erling brick?

I have seen people refer to the "Erling brick" or "headlight brick" on LEGO forums. What kind of brick are they talking about?
user avatar
36 votes
7 answers
3k views

Where can I find instruction booklets?

Is there any place where scans or PDFs of instruction booklets can be downloaded?
Reven's user avatar
  • 1,019
21 votes
1 answer
21k views

NXT screen either flickering or blank, what do I do?

The screen on my LEGO MINDSTORMS NXT brick has just stopped working. It is either flickering, or blank. I have tried turning it on and off, installed fresh batteries, and I can even hear the selection ...
HaydenStudios's user avatar
15 votes
5 answers
58k views

Is it possible to buy a bulk of 1000s of basic bricks (mostly 2x4)?

Several years ago I remember being able to walk into toy shops and actually shovel lego bricks into a bag and thus buy them in bulk. Unfortunately I can't seem to find stores anymore that offer this ...
Karlth's user avatar
  • 253
12 votes
5 answers
32k views

Lego Mindstorms RCX RIS 2.0 IR tower Windows 7 / XP driver

So I've recently dug up my old Lego Mindstorms RIS 2.0 (RCX) and have spent the past few days trying to install it into my Windows 7 laptop. It worked fine, except it could not find the correct ...
Daniel's user avatar
  • 121
152 votes
3 answers
90k views

How much usage can a LEGO piece take before it loses its 'clutch power'?

In this article it's mentioned that one very important feature of the LEGO bricks are their 'clutch power' which is "the ability of its bricks to snap together tightly while also being easy to ...
pcantin's user avatar
  • 13.5k
39 votes
8 answers
30k views

Has anyone automated the LEGO hand sorting process beyond "pawing & piling"?

I need to rephrase my question. Has anyone built or used a large pigeon hole/ chute/ bin collection system to sort LEGO elements? The sorting system doesn't need to be made of LEGO bricks. I just want ...
Major Stackings's user avatar
21 votes
4 answers
87k views

Where can I download the LEGO Mindstorms NXT 2.0 IDE?

I want to see how well that IDE runs on my old Windows XP laptop. I looked on www.lego.com, but it seems to all be documentation (downloads).
Clay Nichols's user avatar
19 votes
4 answers
15k views

Is Mindstorms EV3 backwards compatible?

LEGO Group announced the next Mindstorms version, the EV3 which will be available in the Fall, 2013. Does anyone know if the new version, specifically the controller, will be backwards compatible ...
user avatar
19 votes
9 answers
5k views

Cleaning between the studs of a build

I've unpacked a few of my models after moving home some time ago, these models have been in a cardboard boxes for several months and need cleaning: I've tried compressed air, which only makes some of ...
Ambo100's user avatar
  • 17.6k
3 votes
4 answers
1k views

"Heads up! Could not open project" error message when opening project

When I try to open my project it gives me an error saying "Heads up! Could not open project". Could you please help me? Let me know if you want me to share the file. We were working on the ...
RAVI SAMBHARA's user avatar
3 votes
1 answer
30k views

How to sell a large amount of Lego

Hope someone can help. I bought my husband a huge bundle of Lego a few years ago, but he doesn't have the time to sort it, so we want to sell it on. We've identified a lot of the sets from pieces/...
Cindercat 's user avatar
17 votes
3 answers
5k views

Can I remotely control the points on PF train tracks?

I'm interested in investing in power functions based trains, but want to automate switching points. Is this possible? What is the cheapest / easiest way of achieving this?
Kramii's user avatar
  • 9,121
47 votes
1 answer
14k views

What is SNOT building?

I have seen reference on LEGO forums to "SNOT building". This sounds gross! Are there really squishy-sticky LEGO bricks, or what?
user avatar
43 votes
5 answers
76k views

Why are there extra pieces in my set?

I bought an advent calendar, with a minifig or part of a scene behind each door. Each piece is sealed in a plastic bag and needs to be assembled. Almost every bag has an extra piece in it. Is this ...
NiceOrc's user avatar
  • 533
43 votes
4 answers
14k 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 ...
Zhaph - Ben Duguid's user avatar
38 votes
9 answers
16k views

How do I change the color of a brick?

I have a uniquely-shaped brick that I would like to make a darker shade of gray (it's currently blue). What media is the best in terms of durability for continued use (i.e. re-use, re-configuration)?...
mfg's user avatar
  • 682
32 votes
2 answers
35k views

What does the acronym MOC stand for?

This is a common acronym used in the Lego community - what does MOC mean?
mlambie's user avatar
  • 481
31 votes
3 answers
5k views

How does one get a job as a LEGO designer?

I always fantasized on the mysterious (and admittedly cool) job of LEGO designer. Is there anyone who knows what it takes? Do you need to go to the Lego university and get good grades? Is there any ...
jfyelle's user avatar
  • 3,242
28 votes
2 answers
29k views

How much heat can LEGO bricks withstand?

I was thinking on making a decorative LEGO candle holder. It would be made out of regular ABS LEGO bricks, but also transparent ones. Because there will be an open flame involved, I want to make sure ...
Pubby's user avatar
  • 5,226
28 votes
1 answer
6k views

Are transparent neon Lego bricks made from a different plastic than usual?

There are several colors of transparent, fluorescent Lego bricks. In particular, "trans neon yellow" and "trans neon orange", introduced in the early 1990s, exist in a variety of specialized shapes ...
aedia λ's user avatar
  • 653

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