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18
votes
1answer
6k views

Is there a freely downloadable LEGO 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 Rebrickable)...
10
votes
1answer
167 views

What is the purpose of the discontinuity in the DUPLO train bridge rack?

DUPLO bridge elements include racks to allow the powered trains to be able to make the climb. An example of this is element 35138: I noticed that the gear rack on this element is not continuous at ...
4
votes
2answers
409 views

Are there additional motors and/or sensors that can be used to extend LEGO Boost?

What extra motors and sensors can be bought to extend the LEGO Boost (17101) set? I have heard the WeDo motors have the same connector but not if they are compatible with the Boost hub. Are they ...
4
votes
1answer
92 views

How to mirror an EV3 motor?

I want to get one EV3 large motor to copy the other. So if I move one half a rotation the other copies.
5
votes
1answer
193 views

What are the common quality issues seen in collectible minifigs?

TLG is currently seeking specific feedback on what quality issues may be present within the Collectible Minifigures line so that these issues can be addressed. What are the common issues that you have ...
0
votes
0answers
55 views

city miniature for IoT (sensors etc.)

I was looking for a way to build a mini city (scale around 1/35) in a way that would be rather realistic. The objective is to present it on a 1.5m x 1.5m table, where we would simulate some sensors ...
15
votes
5answers
5k views

How to describe a building set which is like LEGO without using the “LEGO” word?

We are sellers of building toys like LEGO online. But their website does not allow using the word "LEGO" directly to describe the products. Are there any other words that could describe the building ...
9
votes
2answers
492 views

Selling custom LEGO image mosaics using original LEGO bricks without breaking LEGO's Fair-Use Policy

We have designed software and an accompanying site to convert images into 48x48 (or larger) LEGO mosaics; we use the current LEGO color palette, use image dithering to improve color availability, ...
1
vote
1answer
124 views

What is up with Jack Stone's legs?

A recent question regarding identifying a Jack Stone minifigure included this surprising picture of the back of the minifig. I was totally amazed by this because I had never seen a minifig with a ...
2
votes
1answer
155 views

What is this minifig/minidoll (?)

Found this minifig or minidoll. What is it and where is it from? Tried asking the people in the store, they didn't know, and I couldn't find much by searching since I don't even know what type of ...
-3
votes
1answer
113 views

Legoings quality concerns

Can anyone tell me about the quality of Legoings? I'm considering a purchase from China. I can't seem to find any reviews on this clone brand. Thanks, John
1
vote
1answer
119 views

Help identify these sets/bricks

Some of these are sets and some are bricks. Sorry if the quality is bad, I can't get any other pictures. Please note: 3 and 4 seems to be from the same build, although I cannot fully verify that. ...
5
votes
1answer
156 views

What techniques can be employed to build a low-profile sliding door/wall?

I'm looking to build a sliding door or wall that doesn't use the defacto "sliding door" parts, 2874 and 4511. These parts are almost usable for my design: they are thin and have a built-in stopper ...
2
votes
1answer
164 views

How to build a roof out of LEGO blocks?

How would Lego blocks be tiled to provide a water proof roof against the rain? The lattes or internal support structure of the roof doesn't have to be also made of Legos. Basically the tiles on a ...
0
votes
2answers
195 views

Is EV3 Device Manager still active?

Link to https://ev3manager.education.lego.com/ is broken - will this be fixed?
1
vote
1answer
87 views

Is there a way to convert stud.io files into LDD files?

Is there a way to download stud.io files from Bricklink and convert them into a format that Lego Digital Designer understands?
2
votes
3answers
634 views

Which programming environments or APIs are available for the lego BOOST?

Over the holidays I tried the following Python library: https://github.com/undera/pylgbst but I couldn't get it to work. Then again my knowledge of Python is very limited. I'm more experienced with C+...
8
votes
5answers
6k views

Brick Wall psychology: PAB cup filling strategy?

Since I don't live next to a LEGO store I don't often have the opportunity to stand in front of a Pick A Brick Wall. Recently, I filled my large PAB cup for the second time. When I browsed the wall, I ...
0
votes
0answers
36 views

What does this error symbol on the EV3 mean?

I get this error image pop up when I power on my EV3. What does it mean? Also, is there a list of different error codes anywhere, I looked in the User Manual and I could not see anything. Cheers!
3
votes
1answer
108 views

Identify LEGO set. Star Wars?

Trying to figure out what this set is from a large bin I bought.
2
votes
2answers
381 views

Is the NXT forward compatible with EV3 sensors and motors?

Is it possible to use EV3 sensors and motors with the NXT intelligent brick? I've read that the EV3 is backward compatible with NXT motors and sensors, but does vice versa work as well? Is the NXT ...
0
votes
0answers
33 views

The HiTechnic Color sensor is not detected in the port view in lab view

When I inserted the HiTechnic Color Sensor Block into the Ev3, the Ev3 detected the color sensor. But in my Mindstorms lab view, the HiTechnic color sensor does not appear on the port control. Can ...
12
votes
3answers
14k views

Is there an official LEGO terminology for the features of basic pieces?

When I read this question I remember to regularly ask myself what the features of bricks are called. At the top are there nibbles, knobs, or studs? At the bottom are there tubes? New bricks also have ...
5
votes
1answer
725 views

lego pieces stuck together! a stick 6m w/flange and a nose cone small 1x1 triangle

My lego pieces, a stick 6m w/flange and a nose cone small 1x1 triangle, are stuck together. I've been trying to seperate them but they just won't. Any advice?
4
votes
1answer
442 views

Duplo rail accessory compatibility with older trains

Are the new Duplo rail accessories, like #6225521 and #6225519 (appearing in, for example Duplo #10872: Train Bridge and Tracks; #10874: Steam Train; and #10875: Cargo Train) compatible with older ...
0
votes
1answer
114 views

Lego Plastic Bags #

Please help to identify the Lego Plastic Bags # (2,4-319g7,5-419g7,7-219g7) I used QR code reader and it gives me a digits of 6172090. Unfortunately I could not find any information. I bought this ...
3
votes
1answer
705 views

Has anyone tried putting the Powered Up system in the Christmas train?

Just wondering if anyone has taken the powered-up ("Power Functions 2.0") Bluetooth system out of the Cargo Train 60198 or Passenger Train 60197 sets and put it in the Winter Holiday Train set 10254?
2
votes
1answer
39 views

Stuck on “Installing rootfs” when installing leJOS on the brick

When following the instructions for creating an SD card with leJOS, the brick freezes when it comes to the screen “Installing rootfs.” I'm using a new 32 GB SanDisk SD card. I've confirmed that I'm ...
13
votes
8answers
4k views

Waterproofing LEGO bricks

I have a LEGO ship that I want to photograph as it's sailing along in a pool. Of course the LEGO bricks have cracks in between them so water will leak through. Does anyone have any ideas as to how ...
2
votes
1answer
83 views

ID for Off-Brand 1x1 Round Plate, Stud on BOTH Sides (1 is Hollow)

I have a round 1x1 plate (from a blind by-the-pound secondhand sale) with a male stud on both sides of the plate, no female holes. One stud is hollow, the other is solid with a large "C" and a smaller ...
18
votes
11answers
5k 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? ...
3
votes
1answer
215 views

Spik3r wheels move but the spik3r itself doesn't

Our Spik3r's wheels move but the Spik3r itself does not move. Please see the picture of the back of the vehicle - is it somehow incorrectly built?
5
votes
1answer
372 views

PC To NXT Brick via Bluetooth

We have a fully-working java programme which can connect to another computer and can send messages from this(both sides run java and we used SPP Server and Client), however when trying to connect to ...
5
votes
1answer
119 views

Identify Lego set containing a trailer with light-blue & purple color theme

This looks like some kind of trailer with light-blue & purple color theme. From what set is this come from?
2
votes
1answer
107 views

Can anyone identify these 4? (Extra 1x3 brick for scale)

I found these in with my old LEGO while sorting for my daughters, hardly been used in around 30 years, some came from my great granddad. What are these red things without studs for?
2
votes
1answer
99 views

Identify Lego set from a partly-built object with a handle and colored yellow, white, and black

I found this partly-built object in a box of jumbled LEGO. What set did it come from?
0
votes
0answers
30 views

Lego Event in Fountain Hills arizona

I'm trying to find documentation for a special event that Lego did in Fountain Hills Arizona. I believe it was in the time of lego power miners and the castle series. They had a tent set up and had 4 ...
13
votes
2answers
864 views

Are these bricks old Lego/Duplo clones?

Can anyone identify these bricks, which I suspect are Lego/Duplo clones. They may be more than 30 years old. I bought them on ebay as Betta Bilda from Lego/Duplo dealer. Some BB was included, but ...
33
votes
13answers
11k views

What LEGO pieces have “real-world” functionality?

I have noticed that there are a few LEGO pieces that also function in the "real-world." For example, the 10830c01 Magnifying Glass can actually magnify. Another example is the 70001pb01 Compass, ...
3
votes
1answer
122 views

Alternate builds for classic space sets

I'm looking for a full list of the alternate builds on the boxes of Classic Space. Any ideas?
3
votes
2answers
108 views

Has LEGO ever been used in an assembly line or a manufacturing process?

With LEGO Technic and LEGO Mindstorms becoming ever more sophisticated, I wonder if it has ever been used in a real commercial setting to automate parts of an assembly line or manufacturing / research ...
6
votes
1answer
161 views

Why do Star Wars sets include the Disney logo/brand name while Marvel Super Heroes sets do not?

I have noticed that LEGO sets from the past few years of their Star Wars theme include a prominent, or at least noticeable, Disney logo, typically in one of the corners. For example, see this Imperial ...
3
votes
1answer
81 views

What is the piece and piece number of the accessory this figure is holding?

He is holding a rocket launcher type piece that I cannot identify. What is the piece and piece number of the accessory this figure is holding?
3
votes
1answer
83 views

How many Star Wars Storm Troopers have there been?

How many different storm-troopers are there in the LEGO Star Wars sets for the entire timeline?
1
vote
1answer
69 views

Need help identify a piece

It's some kind of tile with a bench shape.
3
votes
3answers
871 views

Is there a 2x12 size Lego Brick?

I am designing a rather large Lego structure and I could swear that I have used 2x12 bricks (not plates) in purchased sets. I know there is a 2x12 plate in existence but don't see any bricks online ...
7
votes
5answers
184 views

Looking for an affordable high density storage solution for my individual bricks

As my collection of bricks is growing, my storage space is limited and I'm increasingly interested in doing my own MOCs, I'm looking for a high density storage solution to keep my individual pieces ...
2
votes
1answer
55 views

How much to support a big model?

Exactly, how many LEGO blocks would somebody need to support a model that weighs 30 pounds?
5
votes
1answer
114 views

Who produces these sets of Venetian gondolas, and is there more of it?

While staying in Venice, Italy, I came across a shopping window with what looked like a LEGO set of a gondola - except that the familiar white letters in the red top left square said "IDEA" rather ...
1
vote
1answer
50 views

Looking for sets with lots of printed parts or other special parts to use as components for my city

I'm thinking about building an early 20th century ('30s / '40s) European city, using both complete sets and parts of sets as resources I'm looking for pieces that add detail to this city, both ...

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