All Questions
4,532
questions
2
votes
1
answer
262
views
Help me find the id of a part - two clips back-to-back
Help me find the id of this LEGO part please!
- 21
2
votes
1
answer
178
views
Salt Lake Temple: Downward facing triangles
Another question in my SLC temple series:
How can I replicate the downward facing triangles in the stonework of some of the spire/columns. Currently I'm planning on just using cheese slopes but those ...
- 4,807
4
votes
0
answers
86
views
When bricks with bottom holes were released? [duplicate]
I always try to build my sets with bricks from that era. The older ones and their release dates are pretty well known but what about that D variant in the picture with bottom pin holes ie. the modern ...
7
votes
1
answer
297
views
What's inside a linear actuator?
The two linear actuators that I know, 61927c01 Linear Actuator and 92693c01 Linear Actuator Mini, have a built-in clutch (that makes a clicking sound when feeding the actuator torque when it's fully ...
- 7,601
4
votes
1
answer
176
views
Instructions for these two LEGO bags?
Looking for some help. Christmas morning was a blur, and we ended up with two LEGO bags with no matching instructions. Can you all help identify the contents and correlating instructions?
- 41
4
votes
3
answers
140
views
Is it possible to have a motor default to a certain position at the start of the code? I'm trying to use the motor as a servo, and it's annoying
The motor is attached to a "door", which rotates to block off an opening. I have it coded to manually go back 1/4 of a rotation, and the distance sensor attached will send it forwards 1/4 of ...
- 41
1
vote
0
answers
118
views
Control MoveHub (Boost) and Mindstorms Inventor Hub over one app
I'd like to control Lego Boost (Move)Hub and the mindstorms inventor hub with one app. I know that it is probably possible with python, but my son is not yet ready to programm in a fully fledged ...
- 111
6
votes
1
answer
425
views
Converting Nanobocks builds to LEGO
Had anyone attempted and had any success in converting a nanoblocks build to use LEGO bricks?
On the horizontal plane, the nanoblocks bricks seem to be half the size of LEGO bricks (4mm x 4mm versus ...
- 716
2
votes
0
answers
94
views
Problem to connect my NXT to Bluetooth. everything else run fine
I use Windows 11 (64 bit). NXT sw v2.1, NXT firmware 1.31.
I have reinstalled these several times, without success. Everything seems to work fine except to connect via Bluetooth, that fails most of ...
6
votes
1
answer
838
views
Identify this Super Mario Lego set
My son has a super mario LEGO set and we lost the box with the instructions in it. Can someone tell me what Super Mario Set this is??
- 61
0
votes
1
answer
137
views
What were vintage LEGO promos like?
Does anyone know of any undocumented vintage LEGO sets such as Promos or mail in order items? I know of some but it'd be interesting to find out if there were others.
6
votes
1
answer
505
views
identifying mega bloks parts, including a lot of big fig parts
Morning all,
I have got a massive box of mega bloks, but am really struggling to find what sets they are from. I have tried to find the more obscure bits so it can hopefully narrow things a bit.
#1
#...
- 61
1
vote
1
answer
493
views
Minifig head hollow stud vs blocked open & others
These three heads have the same print. I have one I’m trying to identify. It appears to be 3626bpb0704.
However it could be 3626cpb0704:
or 3626cpb0647:
Is there a way to determine for sure? I’m ...
4
votes
2
answers
2k
views
How do I join the LEGO Ambassador Network?
I am a bit confused about the LEGO Ambassador Network.
How do I get free sets from LEGO? Do I have to be a content creator or can I just be a member of a community? Also how can I find a community to ...
7
votes
1
answer
202
views
Help identifying sealed Lego Bag 4 from 2017 set long red flat pieces, blue flames, green bricks, blue tint windows misc small black parts
Need help to identify which set bag 4 came from? Have a random bag #4. No idea which set it goes to. Bag label is 706R2. Bag year is 2017. Has green bricks and red pieces, four blue flames, and 7 ...
- 71
0
votes
0
answers
74
views
Identify which Lego set are the parts from
My son just got set 76126 Avengers Ultimate Quinjet as a Christmas present but the parts inside don’t match the instruction manual.
How can I tell which set are the pieces from?
- 1
6
votes
1
answer
438
views
Is this "moon buggy" an official Lego set?
This six-wheeled "moon buggy" has been in approximately this form in our Lego box since the 1980s. Is it from / based on an official Lego set or something my brother made up?
- 163
0
votes
2
answers
189
views
Kazi train - struggles to run, maybe due to weight
I've ordered 2 Kazi trains on aliexpress. Seemed like a nice set with some tracks for my kids. As seen below it's a set where the power box is a separate part and it runs a motor that connects to the ...
- 21
10
votes
1
answer
727
views
Looking for piece name with 3 small bars, adjoined to each other, and 2 larger circles on the side
I am looking for the name of a piece. I haven't seen this piece before, but it's a perfect match for micro scale Dutch bridges. It's a piece with 3 small bars, adjoined to each other. The bottom bar ...
- 103
3
votes
1
answer
137
views
Lego D11 ripper cylinder
I'm building the Lego set 42131 D11 bulldozer and my back ripper cylinders (linear actuators) are in the complete up position and it's keeping me from completing the build.
How do you get them to go ...
- 31
2
votes
0
answers
120
views
Fixing a LEGO M Motor connector
I have several broken "Powered Up" M motors and I took one apart to see what was wrong. I ended up snipping off a section of the wire and re-soldering it back together but testing with an ...
- 1,119
1
vote
0
answers
207
views
Problems with the main rotor speed in Airbus H175 (42145) set?
I'm having problems with the main rotor in "slow" position. The speed stays the same no matter what position the joystick is in. On the other hand, in "fast" position the blades ...
3
votes
1
answer
1k
views
How do I identify a new sealed bag of Lego
I've bought the Lego set 11019 Fun Functions for my daughter. Bag number 5 isn’t in it just a blank bag plus the pieces don’t match up with the helicopter instructions number 5 is supposed to make. ...
- 31
5
votes
0
answers
101
views
Question about "Arch 1 x 2 Inverted" [duplicate]
So, I'm creating round windows for my temple build. My current approach uses 2 1x4 arches (the stubby kind) with one of them upside down and some complicated mechanisms for keeping it in place. ...
- 4,807
8
votes
1
answer
712
views
6
votes
1
answer
870
views
What's inside the non-Bluetooth Powered Up hub?
What's inside the non-Bluetooth Powered Up Hub (85825)?
In particular, what sort of electronic components are present?
- 39.4k
5
votes
1
answer
162
views
Help, identifying mega blok kit - bag label X1033A and X1031A
I need help identifying this kit, thanks
One bag is labeled X1033A and X1031A
I tried looking at Halo kits
- 53
6
votes
1
answer
217
views
Looking for a LEGO promotional, Christmas-themed video game from the 90s-00s about spaceships
This is one of my childhood white whales and I cannot find the answer anywhere.
When I grew up in France, I remember a very short computer game which was actually an ad for LEGO spaceships. Given the ...
- 161
9
votes
1
answer
814
views
Which set is this roller from?
We found this roller build. Is this from a set? I looked through the instruction manuals on the LEGO app and did a Google image search but no success.
- 93
9
votes
3
answers
308
views
What's this round blue gear piece from set 76911?
This piece was in with all of set 76911's spare pieces in a separate bag. 76911 is the only Speed Champions set I have so I don't know if the piece comes in any others. I looked at the inventory for ...
- 549
25
votes
1
answer
6k
views
How does the motorized lighthouse rotate continuously without tangling the wire powering the light?
I'm curious about the Motorized Lighthouse (21335):
As the title suggests, this set is motorized to allow the light on top to rotate continuously:
From the looking at the inventory, it is clear that ...
- 39.4k
10
votes
1
answer
274
views
What was the purpose of the triangular corner marking and the "points" in Lego instructions starting around 1992?
Around 1992 (possibly, coinciding with the switch from Legoland to Lego System labeling on boxes?), Lego instructions started featuring a triangular marking in the corner of a page. On one side, that ...
- 1,940
3
votes
2
answers
214
views
Convert 9V train to Powered Up
This is a follow-up from question "Can I convert my train 9V 4563 to the Power Functions motor?", now that Power Functions motors have been phased out in favour of Powered Up motors.
How can ...
- 7,601
15
votes
2
answers
935
views
How to build this flower?
I found this picture of a flower in a book and would like to build it. I'm wondering what's inside the white bloom?
- 153
6
votes
1
answer
326
views
Is a huge box of old unsorted Lego and non-Lego pieces with no instructions or boxes of any value?
I have an old big bin of at least 20,000 Lego and Lego-like pieces. I never kept the boxes or the instructions when I was finished building sets and I have Lego pieces from at least 50 different sets, ...
- 61
46
votes
3
answers
34k
views
Can LEGO City Powered Up trains be automated?
I have a LEGO City train set (60336):
The set includes a remote control as well as an app that can be used to control the train. Is it possible to automate the operation of LEGO City trains, ideally ...
- 39.4k
3
votes
1
answer
246
views
How can I stop bricks 'skating' over plates?
I've just read all around the question about 'clutch power' from nine years ago and the changing molds, both here and on Rebrickable, but these don't answer my problem.
Has anyone else had the problem ...
- 143
2
votes
1
answer
3k
views
Downgrade from Spike 3 Hub OS to Spike 2 Hub OS
I'm trying to downgrade our Spike Prime Hub from the Spike App v3's firmware to the Spike App v2's firmware. Has anyone been successful? Or does anyone have suggestions on how to flash the firmware to ...
- 131
6
votes
2
answers
1k
views
Help identifying 4 weird Duplo pieces
I don't collect Duplo so I'm not familiar with a lot of the pieces they have. Here are the four that stump me:
4x10x3-ish freight hopper: I searched "duplo hopper" in BrickLink but only got ...
- 549
7
votes
5
answers
2k
views
Is "modular" just a theme, or is it bigger?
I first heard of "modular" in the Lego world about the series of modular buildings in sets produced from 2007 onward. The architecture seems to be 1800s to late 2000s.
Then read that the ...
- 143
0
votes
1
answer
263
views
Is this piece identifiable? A plus-shaped pyramid?
Some kind of 1x1 slope.. a plus-shaped pyramid? I'm not sure where to start searching for this piece.. thanks for any help!
- 3
6
votes
1
answer
785
views
Can you identify these half cylinder tiles
Can someone identify these white half cylinder tiles? I've searched bricklink for white round tile and semicylinder but couldn't find them. They are similar to the half circle tile but they are more ...
- 4,807
4
votes
1
answer
335
views
Lego China Cabinet
I'm building a Lego china cabinet and I'm looking for some nice pieces to put in it. (Fancy dishes, table settings etc). Here's a picture of what I have so far:
Here's some pieces I've identified in ...
- 4,807
4
votes
3
answers
2k
views
Alternative source for instructions of LEGO set 7784 Batmobile?
The PDF instructions provided on the LEGO website are of very low quality. With all the black pieces, no contours can be identified. I bought a used 7784 without original instructions and with some ...
- 2,605
4
votes
2
answers
177
views
Salt Lake City Temple : Spires
I'm trying to plan the tops of the spires for a lego replica of the salt lake city LDS temple. Here's a picture:
I figure I can use a technic ball joint for the round parts, or a ski pole for the ...
- 4,807
5
votes
1
answer
692
views
I found these parts but cannot find the set(s) they go to - one is largely tan, others are black and greys
I found these parts but cannot find the set they go to.
Can anyone help identify the sets they belong to?
- 1,317
1
vote
2
answers
152
views
Finding minifigs in a specific theme
A couple of times I've been asked by people what is the cheapest or easiest way to buy some random complete minifigs in some theme.
For example:
they have a couple of fairground sets and they want to ...
- 10.8k
3
votes
1
answer
1k
views
Has anyone else had problems with the tail rotor drive shaft on the Lego Airbus Model 42145?
I am partway through this build and at step 565. I have found the drive mechanism to be very tight and have tried to loosen the drive elements as much as possible.
I have found what I think is a ...
- 443
5
votes
2
answers
962
views
Identify this part, looks like a black handheld controller
Does anyone have information about this LEGO item?
It appears to be an infrared controller. Maybe for an old LEGO train.
- 1,317
2
votes
0
answers
112
views
Mindstorms M.V.P. model doesn't move
I'm a total newbie to Mindstorms 51515.
I am trying to program my M.V.P. model and everything seems to work except the movement programming blocks (pink). Does anyone have a hint or a clue about what'...
