All Questions
4,386
questions
2
votes
1
answer
14
views
EV3 with 6 motors
My son has made a crane with 6 EV3 motors connected to 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 ...
- 121
4
votes
1
answer
82
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 ...
- 41
1
vote
1
answer
44
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 ...
- 4,773
0
votes
0
answers
32
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 ...
- 39
0
votes
1
answer
102
views
Which Lego set do I have? mostly yellow and seems to be based off of construction
The Lego set includes one minifigure with a blue cap, a red shirt, and blue pants. It also includes a window piece, some yellow connections, a black digger piece with the same connection and wheels. ...
- 1
-1
votes
0
answers
67
views
What is pink & pulled by a horse? [closed]
I bought a batch of mixed clone bricks, including quite a few pink- I'm wondering what they could be from?
Pieces include:
2x2 plate which converts into a ball joint
6 units of 1x4x1 arch
1x2 plate ...
- 303
1
vote
1
answer
100
views
Pink or Bright Pink?
Sorry for the slightly blurry photo, but what would you say this is?
These two pinks are a little different, very slightly.
Is the above one old pink and the bottom one bright pink?
Or are they both ...
11
votes
1
answer
2k
views
Why are there many hidden holes in 'Monkie Kid’s Team Van' 80038?
Lego set 80038, 'Monkie Kid’s Team Van', repeatedly uses yellow Technic Brick 1 x 1 with Hole (item 654124) where it could simply use a standard 1 X 1 brick (item 300524).
For instance, in Instruction ...
- 213
3
votes
2
answers
72
views
What is the gyro sampling rate on the Spike Prime hub?
I was wondering what is the inertial measurement unit sampling rate, because for my project I need 800 Hertz. I tried to look in the firmware file but I didn’t find anything. I use the pybricks ...
- 39
2
votes
1
answer
142
views
Lego Creator - Ford Mustang 10265
I open the box I purchased - the box had been opened prior - no instruction manual nor stickers - not a big deal, but how do I know how many bags I'm supposed to have in the box. I watched video and ...
- 21
2
votes
0
answers
79
views
My minifigs have been doodled with marker pens. How can I clean them?
So simple question really, child drew on figures with marker pens, how can I clean them off with out removing the original prints ?
- 131
-1
votes
3
answers
123
views
Are there any flat plates with beveled or sharp edges?
I'm currently making a functional minifigure-scaled escalator that ideally move like this. Progress has been made on both the stair slope and staircase design (both respectively pictured below), and ...
- 175
5
votes
1
answer
307
views
Can 9V train motors be linked and work together via the top power stud connection?
I'm building a MOC based on the 10219 Maersk Train, but going for the classic track power 9V system given the removal of need for batteries and slowly increasing availability of new 9V parts from ...
- 153
3
votes
1
answer
133
views
Lego 88012 hub socket type
The LEGO Technic hub 88012 has 4 sockets. Can anyone tell me what the socket types are?
I have tried to find out via LEGO Support and they directed me to this site.
I have searched the internet and ...
- 31
3
votes
1
answer
114
views
Can anyone help me identify what set this pack is from please? white pieces with a distinctive minifig
Hi, I am struggling to identify what set this pack is from. It came randomly with a box of various toys, so nothing for reference!
- 41
7
votes
1
answer
508
views
Compatibility of sports ramps
Are these relatively recent "sport ramps":
https://www.bricklink.com/v2/catalog/catalogitem.page?P=75538
compatible with these older "sport ramps"
https://www.bricklink.com/v2/...
- 9,956
5
votes
2
answers
1k
views
I cannot find the set these bags of Lego bricks belong to - lots of greys and dark reds
I cannot find the set these bags of Lego bricks belong to.
Can anyone help?
- 1,179
3
votes
0
answers
83
views
Identify bricks, similar to LEGO without bottom tubes
I have a box of bricks with some age, that I'm unable to identify.
They have some numbers on the inside which don't help and no identifying markings. I thought they could be by Halsam, however that is ...
5
votes
1
answer
99
views
White bricks slightly different, real, fake or old?
These white bricks are slightly different, one of them has the copyright lego on the bottom and the other only has the ID number and some other numbers on the bottom, and the way light enters the ...
6
votes
2
answers
90
views
How to run Power Functions LEDs from a 12v supply?
I am considering building a train that uses a 12v motor from the 1980s and Power Functions LED lighting. For this to work it would be necessary to run the Power Functions LED set from one of the 12v ...
- 308
3
votes
1
answer
420
views
Lego 21327: How do I attach the typewriter segment to the body?
Typewriter build step 312. Red arrows point to two upraised open connectors. What part of the segment snaps into them?
If snapped to the rod outside of the two gray mid-rod spacer pieces (step 309), ...
4
votes
1
answer
100
views
How do I determine which set these belong to? Lots of yellow and blue, wheels, some grey
How can I determine which set this is?
- 41
1
vote
0
answers
67
views
How to get IR codes of Magformers RC? [closed]
Some of Magformers blocks comes with Remote Controller:
The controller is lost. Is there any way to get RC codes to use with some universal remotes (for ex., with Moes UFO-R11 or with Android app ...
- 111
2
votes
1
answer
106
views
Lego 21323 Grand Piano - After setting up app on page 110 of instruction, the gear is turning anti-clockwise instead of clockwise as shown
After completing all builds till page 108 of the instructions, I installed the app. But when I press play on a song the gear move for a quarter turn anti-clockwise but the picture on page 110 shows ...
- 21
3
votes
1
answer
173
views
Any idea what set any of these are from? mostly minifigs and decorated bricks
Just bought a random mixed box on Facebay, trying to work out what sets might be there. These are the most distinctive pieces.
- 31
4
votes
0
answers
156
views
Half the size of Lego but only 1/3 the height
I bought a batch of like Lego but small off eBay. I'd like to know what brand. The ×2's have tubes, but ×1's have no pillars. Colours like Lego, red, blue, light & dark bluish grey, B&W. ...
- 303
5
votes
1
answer
157
views
Mistake with hook holder (steering arm with round socket) on Technic Helicopter 42145
I made one small (but costly) mistake in my otherwise very satisfying build for the Airbus helicopter: at step 66, I connected the grey piece "steering arm with ball socket" the wrong way. ...
- 153
3
votes
1
answer
242
views
Salt Lake City Temple: Temple doors
I'm building the lds temple in Salt Lake City in lego. I'd like to represent the temple doors as seen here:
My current plan is to use the stockade as the base door:
...and probably put a plate over ...
- 4,773
0
votes
1
answer
112
views
Trading and Lego VIP [closed]
What websites can be used for trading? I want to have as many rare ones without buying anything. Does someone want to trade a Lego minifigure for free? I have been trying to get many Lego minifigures ...
25
votes
2
answers
5k
views
Has any non-Duplo LEGO set included Duplo components?
It’s not uncommon for LEGO Technic components to be included in LEGO builds - especially where motion or interaction is needed.
Has the same ever happened with a Duplo component being included in a ‘...
- 706
5
votes
1
answer
291
views
I came across these and cannot identify the set - greys, tan, orange, darker green
I came across these and cannot identify the set.
Can anyone help me with identifying the set?
- 1,179
5
votes
1
answer
211
views
Lego colors that the powered up color sensors can detect
Lego currently offers two color sensors to use with Powered Up or robotic kits (Spike Prime, Spike Essential, Mindstorms robotic inventor):
https://www.lego.com/en-us/product/color-distance-sensor-...
- 9,956
8
votes
1
answer
131
views
Best method for building large by assembling modules?
I am about halfway in building a 16 foot high tower made of simple bricks. It is basically a hollow skyscraper 6 inches square, with the walls two studs thick. To steady it, it is built around a steel ...
- 81
12
votes
1
answer
2k
views
Can anyone identify the set these plastic flags belong to? They are mixed in with several old castle sets
Flexible plastic material
Two blue plastic flags (?) with “U” and Two red ones with Bulls.
- 143
2
votes
1
answer
197
views
Anyone identify this gold piece mixed with some vintage Castle, Pirate, etc sets/minifigs? No LEGO imprint, but all other pieces are LEGO
Gold piece next to minifig for size comparison.Interior of part.[]
- 143
7
votes
0
answers
189
views
Can anyone identify this trans-neon green piece?
I've got two of these little fellas in my mixed box circa 2000. No markings and no ideas!
Dish 2 x 2 Inverted for reference.
*edit, added Antenna Whip 8H for another reference
- 71
4
votes
1
answer
368
views
Is this resistance ship a set on its own, or part of another set?
I can't find this ship on Brickset, so it's either unlisted (unlikely) or came with another set.
Can anyone ID it, please?
- 545
4
votes
1
answer
174
views
How does The LEGO Group view 3D printed parts?
I own a 3D Printer, and depending on the legality, I may or may not have 3D printed some straight tracks. Because why not?
As these parts are, hypothetically, printing, I think to myself "what ...
- 301
6
votes
2
answers
2k
views
Can one connect two technic pins end-to-end?
Who hasn't tried following some MOC instructions only to discover problems? This TIE Outlander build (free instructions) is neat but has several issues, the biggest of which are steps 44-46.
The ...
- 171
6
votes
1
answer
744
views
Can you identify these dresses
Can you identify these monochrome slope/dresses? I looked in the curved slope section of bricklink but couldn't find them.
- 4,773
0
votes
1
answer
106
views
Is there a resource (e.g. a website) to identify a lego set based on a selection of parts?
Is there a resource (e.g. a website) to identify a Lego set based on a selection of parts?
For example, I have inherited a big box of Legos including several castle-type pieces. Is there a way to ...
- 103
4
votes
1
answer
146
views
Is there a Good Replacement M Motor?
I teach robotics with technic parts and M motors. The motors I have bought on Ebay burn out quickly and fit axles poorly (either too tight or too loose). It is difficult to teach when students' motors ...
- 41
15
votes
1
answer
4k
views
Why was the monorail system discontinued?
I'm a casual Lego enjoyer and decided to research some old sets and found out about the old monorail system.
My question is why was it discontinued? It was a pretty neat system and I could see ...
- 301
4
votes
1
answer
182
views
2017 Poly Bag - Blue and Black bricks
I received a bag of Lego bricks without a box or identifying build number. The numbers on the bag are 135149 the year is 2017. The bricks are blue and black. I scanned the QR code and got the ...
- 41
6
votes
1
answer
2k
views
Looking for instructions for this LEGO dragon
I found this guy (or gal) in a lot purchase and was hoping to complete it since it seems there are missing pieces but I can't identify it to find any build instructions that might be available.
Can ...
- 63
2
votes
1
answer
120
views
In the Ferrari 42143 build at Stage 85 should the yellow assembly be loose?
I have gone beyond step 85 but the yellow assembly installed then is still loose, not connected to anything and can be pulled out. I want to make sure this is right as I do not want to go much further ...
- 443
5
votes
1
answer
256
views
Error correction after building the D11
I just finished the D11 bulldozer. The last LEGO set I built was 55 years ago, now I got this big machine and I really enjoy it!
But I have troubles with the the calibration and I think the failure is ...
- 111
8
votes
3
answers
2k
views
Recommendation on how to build a "brick presence detector"?
I want to build a model of a complex machine with Lego and Arduino or a Raspberry. The machine model also features several accessories that can be added or removed during operation of the machine ...
- 183
6
votes
1
answer
177
views
What scale are the Mini Modular (10230) buildings?
I'm newly returned to Lego, and, holy cow -- It's a different world than the one I left in the 80s.
I always wanted to build a Lego city. The constraints of childhood kept that endeavor at bay. But, ...
- 163
2
votes
1
answer
165
views
Does the LEGO Mario app support three player?
There are 3 playable characters currently in the LEGO Mario theme (Mario, Luigi, and Peach).
The app makes a two player mode available. Is it possible to play with all three characters in the app?
- 37.4k