0
votes
1answer
381 views

What are LEGO's best selling products?

I am doing a school project on LEGO. I have two questions for you. How much profit does Lego make each year? Also what products have been the biggest sellers and in what years?
7
votes
1answer
1k 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 ...
10
votes
5answers
4k views

What are the largest Technic-compatible tires on the market?

I am looking for the largest LEGO wheels with tires available to build a nice-sized RC LEGO car. Of course I will start with the simplest prototype, but I would like to achieve a design which will ...
3
votes
3answers
4k views

Lego Mindstorms NXT software error

I have installed the retail version of the NXT software. Due to pitiful performance on my Mac (OSX 10.7 Lion) I followed guidance on other forums and uninstalled Flash 11 and reinstalled 10. Now ...
7
votes
1answer
2k views

How can I create a simple steering mechanism for a car?

Just curious about this. How can I create a simple steering mechanism for a car? Either motorized or non-motorized solutions are fine; just not overly complex.
2
votes
2answers
686 views

What are the pros and cons of using a Lego rental service such as Pleygo?

Anyone used Pleygo which is a website advertised as A Netflix-like rental service for Lego® sets? What are the pros and cons?
1
vote
1answer
1k views

List of Lego Technic sets with remote controller?

I am interested in buying a set with motors (etc) with a remote controller. Is there a website that allows to search with this conditions? Official website is pretty bad. I have found the Lego ...
11
votes
2answers
470 views

Will playing with a train motor by hand damage it?

If you play with a train that is PF-motorized by hand, will you damage the motor? Or any of the other parts (IR Receiver, Battery box)? It is essentially working as a generator when turned by hand, ...
2
votes
1answer
166 views

Pushing lego city train [duplicate]

Are you able to push the lego city train around the tracks without damaging it or do you always have to use the batteries to make it go. Thanks
3
votes
1answer
267 views

Is the Antikhythera clock design available as Open Source?

After reading and watch the video about the Antikhythera Clock, I am curious if the design reference (or better yet the instruction manual) is available as OpenSource. Why? Because it would be cool ...
8
votes
2answers
617 views

Is there an easier way of threading Technic pins into other elements?

I've been using Lego Digital Designer to recreate a few models I've built in real life. One model in particular uses many Technic axles which need to be inserted fully into other Technic bricks (like ...
3
votes
1answer
1k views

How much do bricks cost at the LEGO Store?

I have never been to a LEGO Store, and I am hoping to go to one soon. I was wondering if anyone knew how much bricks cost at the LEGO Store? I want to buy some minifigs and some bricks. Do they sell ...
2
votes
0answers
22 views

How can I control the building instructions generated in LDD? [duplicate]

Is it possible to control the building instructions in LDD? Specifically, I'd like to make sure that every step stands on its own without falling apart on my build. If not, is there any software I ...
1
vote
1answer
244 views

What are the memory requirements of EV3-G software blocks running on NXT bricks?

The NXT brick has about 130K memory available for user programs. With the newer firmware required for downloading EV3-G programs that memory has been reduced to 118K. How much memory is used by the ...
4
votes
1answer
317 views

Best mini LED spotlight for Lego display case?

I am currently building the Creator Sydney Opera House and planning a display case for it. I would like to light the canopies with spotlights just like the real thing, but have not found LED ...
4
votes
2answers
3k 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 ...
2
votes
2answers
566 views

What is a normal range of reading of the Light Sensor using EV3 Raw Sensor block?

EV3 software does not support the Light Sensor. It does support the Color Sensor. The solution is to use the Raw Sensor Block. What is "normal" for raw sensor block readings? I'm getting readings ...
2
votes
1answer
12k views

EV3 additional build instructions - PDF download or print possible?

The EV3 retail edition comes with printed instructions to build only one of the possible robots and it appears you have to use the software to view the build instructions of the other models. My ...
6
votes
2answers
188 views

Which “Real World” Company was the first to have its' name featured in an actual (numbered) Lego set?

Excluding the Lego company, which "Real World" Company was the first to have its' name featured in an actual Lego set?
2
votes
1answer
182 views

LEGO stormtrooper variation

I found several LEGO stormtroopers on a toy box. They each have a plain yellow head and the words "LEGO 2002" in big letters in their backs. Did they come from a set?
9
votes
6answers
1k views

LEGO Safety: Known risks and how to avoid them?

I run an after school program that teaches engineering to kids, mainly Kindergarten through 3rd grade (roughly ages 5 - 9). I'm trying to educate my coaches as to the known safety risks regarding ...
3
votes
1answer
257 views

Strongest Lego beam

In the Lego house episode of James May's Toy Stories, the engineers built the beams with studs facing upwards: around 9.5 mins into http://youtube.com/watch?v=mEFPhXl3QQY How much stronger would it ...
4
votes
1answer
159 views

Does anyone make a self-driving car?

Mapping and localization are the hottest trend in robotics today. And what is the most exciting is they can be both implemented on a low-cost robotics kit like LEGO Mindstorms! I tried to make a ...
2
votes
2answers
494 views

Is there a fix for an NXT reporting “File error!” when running an EV3 program?

I downloaded the new EV3 software from Lego and installed it on Windows 7. The EV3 software runs. I plugged in an NXT using a USB cable. EV3 can edit the memory on the NXT and remove ...
3
votes
2answers
188 views

What is the difference between 8T gears “Type 1” (3647) and “Type 2” (10928)?

On Bricklink I can see that there are two types of 8-toothed gear - a "Type 1" (3647) and a "Type 2" (10928). It's obvious these parts are not the same, but what is the functional difference ...
0
votes
1answer
67 views

Where can I buy replacement stickers for the set 8018? [duplicate]

I need replacement stickers for set 8018. I've bought a used set and I'd like to change around the sticker position.
4
votes
1answer
374 views

Program a full rotation of a NXT motor in X seconds

I'm interested in mimicking the functionality of the Arqball Spin, at $60 it isn't cheap so I'd like to make the most out of my Mindstorms parts. I'd like to use NXT-G to program a motor to rotate ...
0
votes
0answers
202 views

NXT software V2.1 runtime installation error in windows

My system configuration : Windows 7 Home Premium 64-bit Service Pack 1. When I try to install NXT software v2.1, at the beginning itself I am getting the error below: Microsoft Visual C++ runtime ...
7
votes
1answer
379 views

How to simulate Lego Mindstorms programs written in C#?

I am going to do some programming for Lego Mindstorms in C# using http://www.mindsqualls.net/ and have a question. Is there any good simulator to see result of my program without uploading the code ...
3
votes
2answers
99 views

Is it possible to shrink down a wheel?

I have a tire 6581 which is stretched to the point it doesn't fit perfectly with the balloon designated for it, at one place it is kinda popped out. It is caused by my stretching it when I was younger ...
5
votes
1answer
163 views

How to use NXT device as a keyboard key for computer

Is there any way for me to set up my Mindstorms robot so that when I push one of the touch sensors it sends a signal to the computer to press a key?
2
votes
1answer
70 views

When and where was the first “official” fan organized Lego Convention held?

I just attended BrickCon 2013 here in Seattle (I wore my new StackExchange T-shirt). When and where was the first "official" fan organized Lego Convention held?
8
votes
6answers
419 views

What is the best way of getting muck out of bricks?

I purchased a large bulk load of bricks for my 7 year old. Most have washed up quite well, but some of the bricks have various substances stuck in their underside. The types of foreign substances ...
5
votes
2answers
1k views

Is there any way to buy specific duplo blocks from Lego (pick-a-brick style and/or in bulk)?

I'm brand new to this site, so please bear with me... I've used the search function with no luck, trying to find similar questions that have already been asked, and I've skimmed all the ...
4
votes
1answer
203 views

How to build a car that stops at a certain distance?

I want to build a small car that is about 200 grams. I want it to run the following course and stop at exactly or about the the finish line. I can't use any controlling devices or electronics. I've ...
3
votes
3answers
3k views

Programming the NXT brick using an ipad app

for the past few years, I have been using netbooks to program the NXT. I would like to move into the 21st century and use ipads. Is there an ipad app for programming the NXT brick?
10
votes
3answers
50k 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).
4
votes
1answer
273 views

Where to find older sets (eg. Classic Space)?

Can people share their experiences on how they locate older sets? Have you had luck with flea markets, garage sales, thrift stores, etc.? Or is everything done through eBay and BrickLink? Any comments ...
4
votes
1answer
440 views

Can I change the Bluetooth identifier for an EV3 brick?

I'm coaching a number of FIRST Lego League teams and wish to set up our lab so that each computer could potentially be paired with each brick, but I want to uniquely identify the bricks (EV3-Team1, ...
5
votes
4answers
4k views

No software with the EV3 robot?

We bought EV3 robot but it looks like there is no software and we have to pay an additional $99 for the EV3 software. Is this true?
4
votes
4answers
318 views

Can anyone identify this piece for me?

It seems like this piece would be named "Octagonal Dish 2 x 2" but I can't seem to find it on any of the usual sites. Is this named something else or is it not a real LEGO element?
9
votes
2answers
464 views

How do you construct odd-angles on buildings

I was thinking of building a model of the famous Castillo de San Marco located in Saint Augustine, Florida. A small bit of research shows that Legoland has a replica (flickr link) and that there are ...
5
votes
2answers
357 views

Can I download a programm written in C# into brick?

I use C# language and http://www.mindsqualls.net/ library. But I could not find how to download my program into brick. Actually, is it possible? Or I just have to control my nxt 2.0 robot via ...
13
votes
4answers
4k views

Are all the Magnet minifigs now glued on and how should I remove them?

A couple of years ago (around 2010 I think), I bought a number of the Star Wars magnet sets, as they looked like a (slightly) economical way of buying a number of specialist characters (including the ...
11
votes
4answers
1k views

Repairing Lego minifigure torso cracks/damage

I have a ton of Lego minifigures that I really put through their paces throughout my childhood (fighting pirates, exploring space... basic stuff really). A number of them are damaged on the torso. ...
5
votes
4answers
2k views

Are there plans to release new trains for AFOL?

I just built the Maersk train, what an amazing model! I did a little research and found that it was released in 2011 and the Emerald Night was released in 2009. Given the two year gap it seems ...
15
votes
5answers
1k views

Useful machines built with LEGO

I am looking for examples of useful machines built with LEGO (probably Technics, NXT etc.). There are many fun project examples and proofs of concept, such as a Rubik cube solver and a Turing machine. ...
3
votes
1answer
142 views

Part assortments for creative building

I've been shifting away from collecting sets to doing more MOC building. I also recently moved and I'd like to reduce the overall size of my LEGO collection. I'm trying to decide which parts I'd like ...
8
votes
1answer
350 views

How can the 12v Train 7823 Container Depot be used to load container ships as per Lego Catalogue

As I kid I was always confused by the description of the 7823 Container Depot in the Lego Catalogues: ..."The crane can be raised so container ships can be loaded." An example can be seen in ...
1
vote
1answer
131 views

Accidently Deleted System files on Nxt 2.0. How to restore system files? [duplicate]

I have accidentally deleted the system files from my NXT 2.0. It is making a continuous clicking sound. How to I restore system files. I have the system files, but my computer can't detect it! Please ...

15 30 50 per page