All Questions

1
vote
1answer
60 views

What is the name/part# of this round part?

What is the name or part# of this round piece? Thanks.
0
votes
1answer
42 views

using a remote control

I have just started to get into using a LEGO Mindstorms EV3 robot. I know you have to create a program on the laptop, then it has to be downloaded to the EV3 block. Can you use a remote control to ...
3
votes
2answers
155 views

Color Chart Rosetta Stone

After discovering disparities between LEGO color names and families and 3rd party sites, I attempted to compile a sort of Rosetta Stone for the colors. Certain this is not complete but I believe a ...
5
votes
1answer
90 views

Trying to identify an old LEGO plate

Recently someone gave me a huge bunch of old LEGO pieces. Among the parts I found a white 4x6 plate with 4 wheel holes (those red wheels with a metal pin), a hole in the middle and an 2x1 extension on ...
4
votes
0answers
49 views

I'd like to build a mechanism to press buttons on a remote control. What is a good basic approach to use?

I have a small remote control like device with about 11 buttons. The centers of each button are placed about 1.1cm apart, and each are about 0.7cm in diameter (this means about 0.4cm between the edges)...
0
votes
0answers
74 views

Looking for what set so I can find instructions

The only info I have is the 5 and the 2011 LEGO group with 135149 on it. Lots of colorful pieces except for a clear rectangle square
7
votes
1answer
111 views

What is the three-position lever in the Bugatti Chiron supposed to do?

I've just finished assembling the Bugatti Chiron (42083), and there's a three-position lever in between the two seats that -- probably -- isn't working: one position connects the wheels to the engine; ...
4
votes
1answer
60 views

3rd Party Light Kits

Does anyone have experience with any of the 3rd party lighting kit companies for sets? Do you have any information or stories about how these lighting kits work out in practice? These are the two ...
1
vote
1answer
71 views

Looking for a spike

I spend some hours looking for the part attached to the microfigure of this picture: Can anyone identify the spike attached to the head of the microfig.
0
votes
1answer
51 views

Selling completed models

I'm am looking to sell completed models but do not want to disassemble them. Can someone point me in right direction?
7
votes
2answers
90 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 ...
3
votes
2answers
90 views

What does each part do exactly?

It's been a few years since I bought a Lego Mindstorms (v2) which comes with the technic style pieces. There's beams, axels, rods, connectors... but the majority of the times when I'm building (my ...
4
votes
0answers
88 views

Two LEGO Powered Up engines with reverse direction

I have 2 LEGO 60197 City Passenger Trains and I would like to attach both sets together and un them on the same channel. The problem with the current disposition of the bogies is that reversing the ...
4
votes
1answer
59 views

Help! Unidentified #2 bag 2007!

It's driving me crazy! I recently purchased legos from a local goodwill. It looks like there's several Star Wars sets from 2007-2008 that are missing lots of pieces. I was assuming this bag was from a ...
2
votes
0answers
53 views

How many rotations or degrees do you need to turn your robot?

I have an EV3 Home edition. I have made a tribot. Two main motors for the wheels and a caster in the back. To complete a full turn in place I need to set the rotations to 2.32 or 835 degrees. Does ...
0
votes
1answer
34 views

Problem With Bionicle Joint Sockets

I'm pretty sure that serious Bionicle fans have all dealt with cracking of the joint socket pieces. However, is super-gluing the broken parts a solution? I'm worried that the joint socket won't be ...
2
votes
2answers
126 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+...
4
votes
1answer
121 views

What is LEGO Xtra?

I've seen a number of small polybags in stores branded LEGO xtra. What are these?
7
votes
1answer
906 views

9398 the front wheels rotate in the opposite direction to the rear wheel

We've just finished 9398 4x4 Crawler. Everything looks good, the motors work but the front wheels rotate in the opposite direction to the rear wheels, they also turn in opposite directions. What could ...
2
votes
3answers
81 views

EV3 Multiple conditions: wait sensor activation for N seconds or

How to program EV3 to wait for a sensor activation for at most X seconds? If the sensor is activated in the given time, begin sequence B. If it is not activated in X seconds, begin sequence A. ...
-2
votes
1answer
121 views

Has Anyone Ever Reprinted a LEGO Powered Up Connector With A 3D Printer?

Has anyone ever reprinted a LEGO Powered Up connector with a 3D printer? Currently, I'm using a modified SATA adapter for some LED lights on my train.
0
votes
1answer
87 views

why isn't lego updating the 9V train sets to the current system? [closed]

My son is getting to the age where he is ready for the Lego trains. I looked through the City and Train sets. It seems that Lego really recycles the Fire and Police themes over and over again, while ...
6
votes
1answer
252 views

What is this from?

My dad recently gave me a large box of legos that belong to sets. I found two pieces that appear to be the front of a car. I was wondering if you guys could help me out. I would love to know what it ...
1
vote
1answer
84 views

Help Identifying LEGO With A Pink 3(`(00) ´ )Ɛ Face

I cannot add a picture, but they are green, brown, and pink pieces. One of the pink has what looks like a pig's face.
4
votes
1answer
136 views

LEGO Master Builder Academy instructions

My kids picked up a few LEGO sets from the Master Builder Academy series recently that do not come with instructions in the packaging. According to the support team at LEGO.com this series was ...
0
votes
1answer
141 views

My Lego Technic 42082 wheel stuck and can't move [closed]

After I finished my 1st manual book, I found out that my crane wheel can't move. May I know which part that I did incorrectly?
-1
votes
1answer
93 views

Is EV3 Device Manager still active?

Link to https://ev3manager.education.lego.com/ is broken - will this be fixed?
4
votes
1answer
247 views

How to install Firmware 1.10E on an EV3 home/retail edition brick

If and how can you install firmware 1.10E on an EV3 brick from an home/retail edition set (instead of an education set)? Updates 1.0E9 are only recognized from the Mindstorm software, also with ...
1
vote
2answers
106 views

Help identifying giant blue LEGO Bionicle set

I have what appears to be a giant Bionicle. The head is the size of a small human head almost the size of a mask. It is blue in colour and in 5 bags. It looks like more than 100 pieces. The ...
1
vote
1answer
55 views

Can I push the train of 60052 [duplicate]

We more like to push trains with hand. There were old ones, like the train of set 2741, where when pushing the engine, the contact became loose between the axis and the cog wheel. Can I count some ...
0
votes
1answer
74 views

HELP I have gotten Lego package, no box and no instructions

these packages Were all unopened, Only package number five came with a Ninjago mini figure. Could someone possibly be able to get me the box information so I can look up the instructions! picture with ...
7
votes
1answer
458 views

Are these models legit sets or MOCs?

Are these 4 historic car models legit sets or MOCs? If official sets do you know the set numbers? How can I add more pictures then one?
5
votes
2answers
896 views

Multiple powered up trains on 1 Bluetooth controller?

My daughter got a Passenger Train for Christmas and I converted one of my old 9v trains to run using the powered up system. Is it possible to run the 2 trains independently or concurrently (preferably ...
3
votes
6answers
300 views

The controversy around clone brands

The origin of the self-locking building bricks Hilary Page was born in 1904 in Sanderstead, England. Along with several partners, Page decided to go into the toy business in 1932. In 1936, he began ...
7
votes
1answer
90 views

Looking for sets to use as components of a 1930s - 1940s European city

I'm planning to build a 1930s / 1940s European city (like Paris, London, Prague, ...). As buildings, I'm currently going for modulars that could pass for pre-1950 European buildings, possibly with ...
6
votes
1answer
148 views

Is this non-disassemblable LEGO instruction step real?

I've seen this image shared a few times around the internet as an example of a LEGO instruction step that assembles pieces in such a way that they cannot be disassembled (at-least not without some ...
5
votes
2answers
118 views

How can I assemble 2 opposing gears so that the axle rotations are perfectly parallel?

Due to the way all the modern LEGO gears are perfectly quarter-turn symmetrical, there doesn't appear to be any way to assembly 2 opposing gears such that I get a 2 perfectly parallel axles. This ...
1
vote
0answers
53 views

What can I do with all my brick separators? [duplicate]

Since LEGO has started adding a brick separator to each of their larger sets, I have more brick separators than I know what to do with. Due to inflation, they also aren't really worth anything to try ...
5
votes
0answers
71 views

Replace Battery in LEGO Dino Attack Light-Up T-Rex Head?

Is it possible to replace the battery of the LEGO Dino Attack T-Rex heads? There's a button on the top of the head that makes the eyes and tongue light up red. There doesn't seem to be any obvious ...
3
votes
0answers
89 views

Capture video stream from LEGO Studio Camera (Logitech USB webcam) in ev3dev?

Once upon a time, LEGO made a digital camera for the LEGO Studios and Mindstorms line. Internally it's an old USB Logitech repackaged in a LEGO housing. It could also be used with the old LEGO ...
3
votes
1answer
68 views

What is this LEGO Star Wars Disney box with “5 items”?

Someone sent me this picture, asking me what this LEGO Star Wars box is. It apparently doesn't have an item number, and it just says "5 items" ages 6+. What items might it contain?
9
votes
2answers
119 views

What set do these large white pieces with Technic pins and an orange winch?

I found this at home with many other scattered parts and set, but I'm unsure what this one belongs to. What set is it from?
0
votes
4answers
182 views

You know you have been LEGOing too long when

Inspired by this webpage on raytracing I was trying to find out whether something similar exists for LEGOing (playing with LEGO). However, I couldn't find any references to jokes like "You know you ...
6
votes
1answer
189 views

Where can I find documentation on the LEGO Wireless Protocol for Powered Up devices?

LEGO BOOST and LEGO Powered Up Smart Hubs use Bluetooth Low Energy to communicate to apps. Where can I find documentation on the communication protocol so that I can build my own app for these devices?...
7
votes
2answers
1k views

What is this heavy red LEGO piece with no obvious connectors? [duplicate]

I got a bulk box of LEGO on eBay and this was in it. It has the LEGO logo at either end but the pegs at the bottom don’t connect to anything. It’s heavy, like a battery, but no connectors and it doesn’...
0
votes
1answer
87 views

How I can program a solar panel heliostat? [closed]

I want to make a program for an EV3 solar heliostat. It consists of two motors and a color sensor. I want it to follow the light. The station is fixed. EV3SolarStation pdf
5
votes
1answer
154 views

How To Disassemble the LEGO Boost Hub?

I can get the hex screws off and pry apart the plastic tabs on the bottom plate, but for the life of me I can't un-clip the back tabs. Any ideas on where to press/pry?
3
votes
1answer
179 views

2 Red LEGO compatible bricks

I'm not sure where I got these 2 pieces from, and I'm wondering what are they, and which brand they belong to. They are LEGO-compatible, but definitely not genuine LEGO. There are no identifying ...
9
votes
3answers
123 views

What's the best way to start an 8 year old on Lego Technic building?

I'm a grandpa trying to start my 8 year old grandson in LEGO Technic building. I am particularly interested in mechanical parts building and motorization. He already loves LEGO and attends after ...
9
votes
4answers
4k views

Can you identify these (possibly) LEGO horses?

We got these old LEGO-compatible horses from the LEGO collection that used to belong to my wife's brothers (which means they are probably 20-30 years old). I'm wondering if they are genuine LEGO ...

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