20
votes
4answers
40k views

What is different between the EV3 Home and Educational sets?

The newly announced LEGO Mindstorms EV3 sets for home and education have some differences, but it isn't clear to me what they are, specifically. It seems that have different sensors, perhaps ...
14
votes
3answers
5k 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?
0
votes
0answers
38 views

Temp Glue for LEGO [duplicate]

We have a Train Station Set, but this built is so loose and comes apart so easily thus it is really hard to move/play/connect to other parts. Is there some product like temporary LEGO glue to stick ...
2
votes
1answer
650 views

EV3 Block problems?

I don't see what is wrong with the way i made my program. It looks like this. The idea is that in the while loop [01] shall the robot move forward until it see something brown. If it see ...
11
votes
2answers
7k views

Are there any African American LEGO minifigures besides the ones from the “Sports” basketball series?

I was wondering if there were any African American LEGO minifigures besides the ones from the sports basketball series... I got a brown head from a LEGO Stormtrooper set instead of a black one. I then ...
6
votes
1answer
494 views

Problems with New LEGO Cargo Train

My son's LEGO Cargo Train worked the first 10 minutes and then stopped. The batteries are new, Duracell, and both, the remote and the receiver, seem to be ok. Both of them have the green light on. ...
6
votes
1answer
423 views

Motor, receiver and battery combos

What combination of motor/Receiver/battery boxes are possible/supported? example: 2x XL motors, 1x M Motor, 1 light using 1 receiver and 1 battery box.
3
votes
1answer
40 views

Programming/running a NXT brick with a dead screen, via PC?

I have a NXT set and the control brick has a dead screen. I tried fixing it (resoldered caps, ribbon rub, etc) to no avail. It's dead. Is there any software that will allow me to program and execute ...
5
votes
3answers
11k views

Starting a wholesale LEGO business

I would like to start a company trading in bulk LEGO. I have been told, however, that trading in volume is quite difficult and good discounts are only really given to the likes of Walmart and other ...
2
votes
1answer
89 views

No power to Mindstorm EV3 Brain

My 11 year old just spent her entire Christmas Day assembling the Mindstorm EV3 Reptar, but when we put batteries in the brain nothing happened. It didn't turn on, no lights, no sign of power at all. ...
1
vote
1answer
113 views

Which lego set is the cheapest one containing a motor

Which legoset is the cheapest I can buy in a store with a electric motor in it?
2
votes
1answer
81 views

Instructions or details for the buildings in Set 190

A wave of nostalgia has struck me this holiday weekend, and I have been doing some research on the kits in the big plastic tub in my closet. Among many others, I discovered that among my collection ...
8
votes
1answer
525 views

Why do several of the 2016 Star Wars sets include stands for the minifigs?

I've noticed that several of the new Star Wars sets include stands for the minifigs. For example Droid Escape Pod (75136): What is the purpose of these? I don't see how they add play or display ...
5
votes
6answers
5k 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 ...
22
votes
3answers
14k 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 ...
1
vote
1answer
53 views

Direct/system command for reading the display buffer of EV3 bricks?

I recall being able to read in the display buffer of NXT 2.0 bricks over Bluetooth/USB by issuing Read IO Map system commands. I've looked through the bytecodes and communication documentation for the ...
5
votes
2answers
1k views

Programming Mindstorms on a chromebook

I know there is no official way to program NXT/EV3 on a Chromebook. But a Chromebook can have Ubuntu installed via Crouton in developer mode. So, is there a relatively painless way to program ...
13
votes
2answers
825 views

Is there a way to re-tighten a minifigure's hip joint?

When a minifigure is new, the joints where its legs joins its hips is relatively stiff. However, when a minifig gets old and has been used a lot, this joint can get very loose leaving its legs very ...
5
votes
1answer
69 views

How much current do the LEGO motors draw?

I'm building a project with Raspberry Pi and some other electronics driving the LEGO Power Functions M-Motor (8883) and I need to know how much current those motors draw under load. Has anyone done ...
10
votes
4answers
19k views

Are there any lego base plates that are compatible with duplo?

I'm thinking of making a lego table but my 2 children both use different lego. My oldest uses normal lego and my youngest uses duplo. Just wondering if there is a base plate that both types of lego ...
1
vote
0answers
27 views

Controlling EV3 motors within VC++

I've got an application within some VC++ software (BCI2000). This is running on Windows 7. Although BCI2000 can run elsewhere, I'd like to stay on Windows. I've got an EV3 whose motors I'd like to ...
0
votes
1answer
44 views

How do I add the lms2012 library as a dependency within Visual Studio

I'm following this question and am curious how I go about actually importing the following the necessary dependencies. I see this line: #include "ev3sources/lms2012/c_com/source/c_com.h" and have ...
5
votes
1answer
102 views

Indentify old LEGO kit, classic car with bird driver

I have 2 parts left from a kit I had as a kid. I'm trying to find out what the kit was? I'm ALMOST sure the driver was a pose-able bird man, many thanks!
3
votes
1answer
47 views

How can I get a direct hyperlink to a result on LEGO shop?

When I visit the what's new page on lego.com, I'd like to be able to share a result list including the filter I set in the left column (in my case limit to Duplo). At the moment when I set Duplo I get ...
5
votes
1answer
116 views

What is the brick limit in LDD?

What is the brick limit for Lego Digital Designer? I got to 12k once, but I usually have it crash at around 9k. Does Lego Corp. have any info on this?
3
votes
1answer
82 views

identifier expected?

What identifier is expected here? #import "rw.txt" rw task main() { if(rw != NULL) { OnRev(OUT_A,75); Wait(100); } } Error: # Error: Identifier expected I don't seem ...
8
votes
1answer
1k views

What would total cost of the LEGO® Star Wars collection be in MSRP to date? [Dec 2015]

According to this article from 2014, the cost to buy the entire LEGO® Star Wars collection since 1999 would have been just under $15,000 USD ($14,762). I assume the price mentioned in this article is ...
4
votes
4answers
94 views

What are good DUPLO projects for around 2 year olds?

It is always good to have a bunch of (short) building projects to suggest to our toddlers. Here I would like to collect some easy ones for DUPLO. I'm not particularly interesting in creating ...
4
votes
1answer
198 views

Lego 3804, Mindstorms Robotics Invention System 2.0 on Windows 10

I gave my grandson (11 years old) the LEGO 3804 Mindstorms Robotics Invention System 2.0. He built a couple things and when he tried to install software to program what he built, the computer would ...
6
votes
1answer
2k views

Virtual LEGO / Technics / Mindstorms simulation environments

I know that there are quite a few LEGO CADs floating around, but are there any physically correct simulation environments for models built with LEGO / Technic / Mindstorms parts, that would, for ...
14
votes
9answers
2k views

Have any Lego sets been released with errors/mistakes in the build instructions? If not, why not?

I was thinking about the documentation process of a large set like the Death Star and it got me thinking; surely at some point Lego must've released a set of instructions that contained a mistake? ...
12
votes
2answers
1k views

How can I minimize the number of merchants for given set of requested bricks?

This question should be answered in Bricklink FAQ, but I didn't find answer there. I'm a casual Lego hobbyist, I have a few sets with random pieces missing, about two dozens of them. Some are truly ...
5
votes
1answer
127 views

Where can I find 'Dolphin', the 3D model to LEGO software?

It was created at the École Polytechique Fédérale de Lausanne. But it seems it is no longer available for to download. Does anybody knows what happened?
2
votes
1answer
60 views

Transfer BrickOwl wishlists to BrickLink

Is there an easy/automated way to transfer BrickOwl wish lists to BrickLink? I have wishlists on BO for each incomplete set I own and would like to move them over to see if BL can complete them ...
8
votes
1answer
561 views

Why do official LEGO PDF instruction books have such poor quality?

More often than not, my boys are working from PDF instructions downloaded at the LEGO site. The quality of those PDFs is poor. I'm sure you've experienced the jagged, pixelated lines and the bricks so ...
4
votes
2answers
81 views

I have a vintage set box with the kids on it. Should I continue collecting era appropriate pieces to refill it?

I have an early vintage set box (with the boy and girl on the cover). I've been collecting vintage pieces in order to restock the box with the hope the complete vintage set will be desirable on the ...
5
votes
1answer
252 views

Need help identifying this star wars set

Need help identifying this old star wars set, trying to rebuild my LEGO sets!
5
votes
2answers
78 views

Is there a rule of thumb for the decrease in value of complete sets without instructions?

Assuming the set is complete, would the value for example be $5 or 10% less than market value if the instructions are missing? Is there a general rule you'd look for when buying? Thanks!
5
votes
2answers
2k views

How much are large retail LEGO Minifigures worth?

I have an extra large LEGO figure (approximately 19 inches/48 cm tall) that I wish to sell. This is an item which has only been available to retailers as part of merchandising the stores. Any ideas ...
9
votes
1answer
109 views

Where can I find a 2x2 hinge on Bricklink?

In this picture "The neglect of duty" by Je hyung Lee, he uses four 2x2 hinges in the roof section I can't find on Bricklink. Does anybody have an idea what set this comes out and possibly a ...
6
votes
1answer
154 views

What ball-joint cup piece or configuration of pieces is shown in this render?

What is the name of this particular ball-cup, or piece combination that forms the thigh component circled below? I have been unable to identify the gray cup piece when comparing it to other parts in ...
3
votes
0answers
98 views

Lego Digital Designer on OS X El Capitan?

Since the El Capitan 10.11.2 upgrade some options are gone in Lego Digital Designer. In the Preferences menu the "Outlines of bricks" and "Advanced shading" are options unselectable. The annoying ...
5
votes
0answers
55 views

Which move block to use with Gyro?

We would like to make a series Gyro drive blocks. As a general rule what would be the benefits and drawbacks from using the move tank and move steer blocks? My basic design is to read the gyro and ...
6
votes
2answers
497 views

What are the largest LEGO® Power train sets available commercially [Oct 2014]

What set(s) are the largest by number of pieces? These sets could be retired or existing. I am also curious what set(s) have the most rails pieces included.
1
vote
0answers
29 views

Mindstorm RIS 2.0 installation on Windows 10 [duplicate]

I recently bought a RIS 2.0 but was unable to install the program onto my laptop running Windows 10 (now). I tried it on my office computer running Windows 7 and the installation was successful. The ...
6
votes
2answers
61 views

Emerald Night Piston replacement + jamming issue

I'm just wondering if I can get replacement piston rods for my Emerald Night, since the rods are easily the least impressive part of the model. I'm wondering if there is a form of kit that can make ...
12
votes
3answers
10k 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 ...
2
votes
1answer
104 views

Star Wars phantom

I am new to Lego. I can't figure out the instructions as to where the gun and black hair piece go. It looks like they go in the Phantom somewhere, am I right or wrong? Do they snap in? Also, does the ...
7
votes
1answer
71 views

Are wheels from Duplo numbers' train set 10558 compatible with bridge 3774?

Are the wheels from Duplo set 10558 compatible with the railway bridge set 3774? I have a number of older wheel bases that are too large for the bridge. According to Brickset, the wheels in set 10558 ...
0
votes
0answers
31 views

Sense and Display blocks

I put move forward until it sees the red color then it stops and it writes red color But the teacher told us there is problem so where is the problem?

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