All Questions
4,579
questions
5
votes
2
answers
1k
views
Which set is this part 6082 from?
Which set this is from, part number is 6082 or 60052.
1
vote
1
answer
416
views
From which LEGO set are these brown and green parts?
These LEGO parts are mostly brown tones with some green.
They look like they go together but I don't know how
and don't know the set they would belong to.
I hope you can help.
- 1,347
2
votes
1
answer
158
views
EV3 Education does not recognize NXT ultrasonic sensor
How do I get the NXT ultrasonic sensor to work in the Education EV3 Classroom application?
OK: I have connected a NXT ultrasonic sensor to the input port 1 of an EV3 control brick.
OK: For testing, ...
7
votes
1
answer
876
views
Radius of the 45 degree elbow piece
What is the inner/outer or mid radius of the 45 degree arc the following element makes?
https://www.bricklink.com/v2/catalog/catalogitem.page?P=65473
I tried to align several of the elements in 90 ...
- 10.9k
3
votes
1
answer
121
views
How can I verify authenticity of (R2-Q5) head/dome
This seems to be 553pb003 part. I am trying to find out where the LEGO logo is printed on this 2x2 dome piece given it is the older style dome with the semi-open top stud, meaning there is no LEGO ...
0
votes
0
answers
55
views
One of EV3 motors doesn't respond in demo program
I just bought the EV3 set and made the "TRACK3R" model. When I run the demo program from LEGO the port B motor does not work - only the port C motor is works. But if I try "Motor ...
-2
votes
1
answer
140
views
What set would contain a bag of mixed white and light gray peices?
This bag only contains white and light gray LEGO pieces with a deep white door and window.
What set does it belong to?
- 1,347
-3
votes
1
answer
191
views
What set do these LEGO pieces belong?
What set do these LEGO pieces belong to?
Mostly blacks and dark gray with some clear.
Two different size tires and a black door frame.
- 1,347
0
votes
1
answer
78
views
Need to find the set these belong to
Need to find the set these belong to.
Blue octagon, a shooter, mostly black.
And bananas!
- 1,347
1
vote
1
answer
72
views
Identify this set: yellow and light grey plates
I would like to find what set these are for.
Yellow, light gray, black, white.
No bag number.
- 1,347
0
votes
1
answer
70
views
Identify this set: brown and tan bricks and plates
What set do these parts go to?
There is no bag number.
Three different shades of Brown.
Two are 2x6 and one is 6x6
- 1,347
3
votes
1
answer
412
views
Correct axle rotation of partially built LEGO Cat D11 Bulldozer (42131)?
Page 173, Step 205, of LEGO Cat D11 Bulldozer (42131) instructions has a step to attach two sub-assemblies. What is the correct rotation of these two axles? Is it correct if they rotate in opposite ...
- 41
1
vote
0
answers
78
views
App-Controlled Cat® D11 Bulldozer
I'm having a problem with the App-Controlled Cat® D11 Bulldozer (42131).
The option Module 2 test has disappeared from the app. How do I get it back?
- 41
2
votes
1
answer
78
views
Direct command to set EV3 motor speed
I am trying to set a EV3 motor's speed and start it remotely using a direct command. Using the resources LEGO MINDSTORMS EV3 Communication Developer Kit (page 24) and LEGO MINDSTORMS EV3 Firmware ...
- 23
6
votes
1
answer
259
views
What are these magnetic LEGO-like bricks?
Can anyone identify these? The tin they are in is dated around 1967 so bricks might be of a similar age. They are magnetic.
Any help greatly appreciated.
- 61
7
votes
1
answer
855
views
Can you identify these 2 retro bricks? A red piece with notch and steps, and a green circle
No idea about these parts. The green part is roughly 5x5, 6-01 code and old school Lego brand written on it. The red part has a notch and what kind of looks like internal steps. Thanks!
- 71
1
vote
1
answer
66
views
Can you help with the set identification for these items? Symmetrical greyish wings, and tan/brown internals
Can you help with the set identification for these items?
- 1,347
0
votes
1
answer
64
views
Would this be a Star Wars ship. What set would it go to? Greys but with dark greens
Would this be a Star Wars ship. What set would it go to?
- 1,347
0
votes
1
answer
76
views
Got this at a sale. What set is it for? Lots of greys with 4 legs
Got this at a sale. What set is it for?
Some one knows.
- 1,347
1
vote
1
answer
80
views
A Star Wars thing, but what set is it from? A sphere with legs?
A Star Wars thing but what set is it from?
- 1,347
3
votes
1
answer
322
views
This is a AT-ST but I cannot identify what set it goes to
This is a AT-ST but I cannot identify what set it goes to.
Can you help me?
- 1,347
6
votes
1
answer
625
views
Does the 10309 Succulents set contain only non-unique bricks?
First-time poster here: I write on innovation topics, have been Lego-infatuated for maybe 45 years now. My kid and I were assembling the 2022 succulents kit (#10309) and I noticed a piece that looked ...
- 71
3
votes
2
answers
679
views
How can I build a Lego slope of a rough 50 degree angle with preferably legal building techniques?
I am currently building a functional Lego minifigure-scaled escalator that can transition from flat platforms to stairwell. My first iteration for its guiding rail includes a slope of ~39.5 degree ...
- 313
3
votes
1
answer
197
views
Please identify this green pin
I bought the 42153 set yesterday and I got this green rare pin in bag 1.
How can this Technic pin be used?
- 796
2
votes
1
answer
98
views
Bags in Lego 21029 Buckingham Palace Architect
Does anyone know how many bags are in Lego set 21029 Buckingham Palace Architect set
Thanks in advance
- 21
10
votes
1
answer
2k
views
What is this brick with a round back and a stud on the side used for?
I haven't seen this part before. What is it? What is it used for?
- 39.8k
8
votes
1
answer
237
views
Extend/retract speed of linear actuators
I am trying to find out if the linear actuators (small, large and XL) have a fixed number of rotations on the bottom axle connector in order to extend them fully?
I am guessing the small LA will take ...
- 129
2
votes
1
answer
112
views
Lego 42129 automatic suspension lift
Has anyone looked at a mod to lower the suspension on the LEGO 42129 4x4 Mercedes-Benz trail truck when the differential lock activates.
I was thinking about a few linear Actuators but never had a set ...
- 129
4
votes
1
answer
229
views
Change Mario Yoshi pose
I'm returning to Lego as an adult and struggling with what I thought would be a small project.
Please tell me if this is off topic but as it has a hard answer of no or this is how I though it would be ...
- 193
9
votes
1
answer
1k
views
white-coloured light brick for the iron man sets
I've recently built the Marvel Iron Man Figure (76206) which comes with a light brick to power the 'arc reactor' in the set
I find it problematic that the light brick lights up orange, rather than ...
- 10.9k
4
votes
2
answers
2k
views
What set is this? Star Wars, lots of greys, light and dark
What set do these bags belong to? It is the same Star Wars set.
- 41
10
votes
1
answer
1k
views
How does the play experience work in the City Missions sets?
I recently saw one of the LEGO City Missions sets:
According to the box, these sets are "built with stories, not instructions". How does this work in practice?
- 39.8k
5
votes
1
answer
162
views
Need help identifying an unopened LEGO bag - lime green and black pieces
We found an unopened bag of lime green and black pieces. Son does not remember what or where it came from which is odd because he's always eager to assemble sets when he gets them. Looks like some ...
5
votes
2
answers
919
views
No spare parts in some bags within a set?
I recently purchased and built Valentine Lovebirds and Easter Rabbits Display.
While the first set contained the usual extra parts of small bricks, in 40523 the first three bags contained spares, ...
- 151
4
votes
5
answers
374
views
How can I easily take apart stacks of 4x4 plates?
Earlier this week I bought roughly 200 4x4 plates from the Pick A Brick wall at my favorite LEGO store. Greed got the better of me, and to fill up my PAB cups as much as possible, I stacked the plates ...
- 791
10
votes
1
answer
799
views
identification: strange parts in a sprue
Found this in my random parts bag.
No Lego logo's anywhere, also the shade of blue is slightly off the standard blue in the Lego colour palette. The bottoms do seem to fit quite snug on Lego studs...
...
- 10.9k
4
votes
1
answer
672
views
Instructions for lego bag with 135149 (yellow and red bricks)
Please let me know if you know what set this goes with. This is everything I have.
- 43
3
votes
2
answers
217
views
How to power on and adjust speed for a PU Train 88011
I'm doing a project for my kiddos.
I'm trying to find the schematics of a lego train motor 88011, I want to control them using an ESP32 through a telegram bot.
I have the ESP32 and the telegram bot ...
- 31
0
votes
0
answers
358
views
Cat D11 calibration
Once I start the calibration of the Cat D11 does anyone know how long it should take? I have let mine run for at least 10 minutes and it never completes. Should I keep it going for more time? Or is ...
- 1
2
votes
2
answers
156
views
Is it possible to control Airbus H175 Rescue Helicopter 42145 via the app?
Has anyone used a Technic Hub 88012
and not the Powered Up battery box that comes with the set?
I would love to get it controlled via the app.
- 129
5
votes
1
answer
148
views
Which set contains this Bionicle part? Looks like a mohawk or some sort of blade
Which set contains this piece? I cant find anything. It looks like a big Bionicle mohawk.
- 51
4
votes
1
answer
139
views
Wobble problem with the PF L motor
So I got my hands on a used 42095 LEGO Technic set that I wanted for a long time. After disassembling it and testing PF for the first time, I have noticed that one of the motors is extremely wobbly, ...
- 71
2
votes
2
answers
173
views
What will the size of finished set be?
How can you tell from information on the box or manual what the size of the finished set will be? I'm thinking of space needed to create and store, etc.
- 21
3
votes
1
answer
119
views
What Lego set would this building belong to? grays and red flags of different sizes
What Lego set would this building belong to?
I cannot find the logo on the flag.
- 1,347
3
votes
1
answer
211
views
How do I switch out a gear in the Cat D11 set without taking the set apart?
I have a fully completed Cat D11. Great build. (I have previously built the Bucket Wheel Excavator, the Rough Terrain Crane, Liebherr 9800, Airbus 175, etc.) Couldn't get through calibration. Did not ...
- 31
3
votes
1
answer
529
views
LEGO BOOST failing firmware update
We have a LEGO BOOST kit. When going through the initial setup, we get as far as connecting the move hub to the tablet and then it asks if we want to do a firmware update. There is no option other ...
- 243
4
votes
1
answer
124
views
EV3 with 6 motors
My son has made a crane with 6 EV3 motors connected to an EV3 hub. He's used ports A,B,C,D and 1,2.
But two of them don't work. Are ports 1-4 just data ports for sensors, not motors?
Is 4 the maximum ...
- 243
5
votes
1
answer
203
views
Is there a way to keep fragile models together?
My late husband built a number of Lego models that I would love to keep together. However having a 5 and 2 year old around this is proving difficult and parts keep getting knocked off. Is there any ...
- 51
1
vote
1
answer
82
views
questions on an Assembly Square fountain redesign
I'd like to reproduce the fountain posted here
Can anyone identify the parts used to make the wide blue/water rims on the 2nd and bottom level?
Also, how do I attach the squiggly water bursts on the ...
- 4,807
0
votes
1
answer
463
views
How I can connect the LEGO SPIKE Prime hub via Bluetooth in Visual Studio Code using the pybricksdev library?
I'm trying to send some data from the hub to the terminal for some debug. But I can't figure out how I can connect the hub via Bluetooth to my PC. I tried to look in the API documentation and maybe I ...
- 49