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1 vote
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143 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 ...
edi's user avatar
  • 111
7 votes
2 answers
553 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 ...
Neil Tarrant's user avatar
2 votes
0 answers
106 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 ...
Mikael Jakobsson's user avatar
6 votes
1 answer
843 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??
Elizabeth's user avatar
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.
Henderson Glover's user avatar
6 votes
1 answer
675 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 #...
dgm916's user avatar
  • 61
1 vote
1 answer
677 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 ...
mrwarcriminal's user avatar
4 votes
2 answers
3k 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 ...
Henderson Glover's user avatar
7 votes
1 answer
222 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 ...
Tiffany's user avatar
  • 71
0 votes
0 answers
77 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?
Ra2109's user avatar
  • 1
6 votes
1 answer
442 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?
Sampo's user avatar
  • 163
0 votes
2 answers
196 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 ...
Debely's user avatar
  • 21
10 votes
1 answer
730 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 ...
Bruinemuis's user avatar
3 votes
1 answer
168 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 ...
Daniel Jones's user avatar
2 votes
0 answers
144 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 ...
mj_'s user avatar
  • 1,119
1 vote
0 answers
227 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 ...
declan johnson's user avatar
3 votes
1 answer
2k 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. ...
Julie Mooney's user avatar
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. ...
Monte Gardner's user avatar
8 votes
1 answer
712 views

Identify my old motorbike

My old motorbike part, I want help to identify please.
Georgios's user avatar
6 votes
1 answer
878 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?
jncraton's user avatar
  • 39.8k
5 votes
1 answer
203 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
Rhour's user avatar
  • 53
6 votes
1 answer
233 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 ...
C. Crt's user avatar
  • 161
9 votes
1 answer
817 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.
meteosteph's user avatar
9 votes
3 answers
313 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 ...
Toomany Bees's user avatar
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 ...
jncraton's user avatar
  • 39.8k
10 votes
1 answer
282 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 ...
O. R. Mapper's user avatar
  • 1,940
3 votes
2 answers
260 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 ...
IvanSanchez's user avatar
  • 7,794
15 votes
2 answers
936 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?
PhilippC's user avatar
  • 153
6 votes
1 answer
336 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, ...
David Smith's user avatar
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 ...
jncraton's user avatar
  • 39.8k
3 votes
1 answer
249 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 ...
MocBird's user avatar
  • 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 ...
Leif Jones's user avatar
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 ...
Toomany Bees's user avatar
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 ...
MocBird's user avatar
  • 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!
BbJug's user avatar
  • 3
6 votes
1 answer
793 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 ...
Monte Gardner's user avatar
4 votes
1 answer
337 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 ...
Monte Gardner's user avatar
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 ...
Metalbeard's user avatar
  • 2,615
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 ...
Monte Gardner's user avatar
5 votes
1 answer
694 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?
Vince's user avatar
  • 1,347
1 vote
2 answers
153 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 ...
Michael Verschaeve's user avatar
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 ...
Mike P's user avatar
  • 523
5 votes
2 answers
968 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.
Vince's user avatar
  • 1,347
2 votes
0 answers
124 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'...
Martin Christensen's user avatar
1 vote
1 answer
240 views

When did bricks start to have the LEGO Group text engraved on them?

Here's an example of a part (17836) that shows this text molded on the underside: When did bricks start to have the LEGO Group text engraved on them? And what was the first set to use these?
Bernard Vander Beken's user avatar
0 votes
0 answers
119 views

Motor stalls and starts smoking after roughly 5 seconds

I have done everything that I was supposed to (with the setup), and when I press the button to supply power to the motor, it stalls (sometimes), and when it does spin, I can see a small puff of white ...
Stanley's user avatar
1 vote
1 answer
680 views

What is the length of this axle? like 5L

What is the axle length of the axle circled in red like 5L
Carltrains's user avatar
4 votes
1 answer
279 views

Can you identify this 1x1 red hemisphere?

Can you identify this red 1x1 hemisphere. It has a cross inside so it looks like it's made to fit on the end of an axle. 1x2 masonry brick added for sizing reference.
Monte Gardner's user avatar
0 votes
1 answer
274 views

What is the axle length of this?

What are the lengths of the bottom axles on this picture? Like 5L
Carltrains's user avatar
2 votes
1 answer
100 views

Does anyone know what set these Mega Bloks grey parts are from?

My son bought some loose Mega Bloks in the UK and we are trying to identify what sets these parts could be from.
Alison Griffiths-Brown's user avatar

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