All Questions

7
votes
1answer
84 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
132 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
110 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
50 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
51 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
41 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
59 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
116 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?
-3
votes
1answer
78 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
96 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
83 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
4
votes
1answer
132 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
127 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
120 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 ...
6
votes
2answers
127 views

My 8880 Super Car: Quality criteria for potential buyers?

A couple of years ago I bought a used 8880 Super Car for around 50 Euros. I thought it was an exceptional bargain but now I am not so sure any more. I want to sell the set and want to avoid a ...
5
votes
1answer
57 views

What mini fig/set is this shirt from?

I’ve googled trying to figure out where this piece came from but I have no idea. Please help me figure out what minifigure this shirt from? Also, if it’s from a larger set. Thanks
11
votes
1answer
99 views

Are there more LEGO minifigures than humans?

In 2014 Randall Munroe of XKCD predicted that there would be more minifigures than people by 2019. Was he correct? Have we reached the crossing point, and if so, when? If not, when will we?
6
votes
1answer
70 views

How to distinguish official LEGO mini movies from non-official movies?

My sons (7 and 4.5 years old) love watching LEGO city mini movies on YouTube. They love watching all kinds of LEGO city mini movies, such as: Arctic Explorers The Escape From Prison Island ...
3
votes
0answers
75 views

Grey Clone-Brand Brick With a Single Short Tube on the Bottom?

I've had this brick for a while, and I've long wondered what it is. It's a LEGO-compatible 2x4 brick, colored almost exactly the same as the old medium grey. There are no identifying marking, and the ...
12
votes
1answer
210 views

Why did LEGO switch the direction of flag elements in 2008?

Having just gotten back into LEGO this year, I noticed that the flags in my new sets are mirrored from all the flags I used to have. On the left is a green flag from 4162 FreeStyle Multibox from 1995, ...
12
votes
2answers
389 views

General guidelines to identify real LEGO pieces from fake or copy?

I see a lot of questions here about if a certain piece is really LEGO or not and this made me wonder if there is any guideline to follow to identify real LEGO piece from the duplicate or fake one? I ...
7
votes
1answer
80 views

Are These Minifig Accessories Official LEGO Parts?

I bought some minifigures on the internet, but these helmet, hair, and animal parts only have NUMBERS on them, but no LEGO logo. They feel like LEGO, but I'm not sure. Does anyone know a way?
11
votes
4answers
958 views

Official instructions for 2018 LEGO employee Christmas gift 4002018?

The 2018 LEGO employee-exclusive Christmas gift 4002018 has been revealed to the masses from various sources, by the people who have received them. I could probably reverse engineer most of the set ...
11
votes
1answer
170 views

Is there any legit positive impact of LEGO on mental health?

Is there any legit research done on the impact of LEGO on mental health? For instance, does it positively affect kids’ mental development or does it help with stress, anxiety or any other mental-...
3
votes
1answer
63 views

What is the origin of the 2001 BIONICLE pin?

Recently I got one of these in a lot. Picture of the back Prior to receiving it, I didn't even know it existed, and can't find any information on it on the web. What is the origin of this 2001 ...
4
votes
2answers
89 views

What are some good purist rotacaster / omni wheel designs?

In robotics, rotacasters or omni wheels are often very useful. It's possible to buy LEGO-compatible ones from some third parties, here's one random example: Unfortunately, LEGO has yet to make any ...
11
votes
2answers
119 views

Are LEGO Clikits elements compatible with the brick system?

Are LEGO Clikits elements in some way compatible with the LEGO brick system?
3
votes
1answer
53 views

What is average weight of booklets (instructions) in %?

As far as I understand weight of sets is noted on bricklink and other places includes all. I did not see how to list set's items along with weight in table on bricklink to check for that. Am I correct ...
11
votes
1answer
104 views

How To Sort Out 3rd Party Technic Clones From LEGO Originals?

I've recently bought bulk parts, and wish to sort out the official LEGO pieces from the inferior quality 3rd party clones. On bricks I can easily spot-out the clones, becasue they don't sport the "...
9
votes
1answer
109 views

Can I store LEGO in negative (minus) Celsius?

I've found this question: How can I store LEGO bricks to prevent damage? and the answers don't tell, what happens below 0°C. Can I store unopened LEGO boxes where temperature can go down until even -...
5
votes
1answer
114 views

Can you identify this white, blue, and green train body?

Got that is a bag of parts. For some reason one part of train (it look like train to me) is upside-down by direction of stubs. Browsed through all 4 hundred sets by searching for 'train' on Bricklink ...
0
votes
1answer
86 views

About selling old LEGO

I was just wondering how much does a pound of bulk usually sell for. I also have tons of star wars mini-figs, including tons of clone troopers of different kinds, stormtroopers, battle droids, but ...
5
votes
1answer
104 views

Unknown stickers with silver lines on black 2x4 tiles

I found two stickers in a bundle that I can't link to any set. Do you know which sets they may belong to?
4
votes
1answer
63 views

Unknown sticker on a dark grey 1x2 tile, black lines, printed handled?

I bought a big bundle of LEGO, and I'm trying to find out the sets. This one is on a dark grey 1x2 tile, with black lines and printed handled. Can you identify this sticker?
1
vote
1answer
92 views

Unknown Set: Spaceship?

Do you know which set this is? It's incomplete, and I would like to get the instructions. It looks a bit like a spaceship...
4
votes
1answer
98 views

Can You Identify These Black Studless 2x4 Brick With Train Wheels?

I found a bunch of Pat Pend LEGO in a thrift shop. Among all the goodies there are two black smooth 2x4 bricks with train wheels attached to them. Their characteristics are as followed: They are ...
12
votes
0answers
125 views

Is it possible to dismantle and refurbish an original 870 Technic motor?

I have a couple of ancient 870 motors (the 4.5v ones) that run but don't sound great. I've looked for, but can't find, a guide on how to dismantle them. I'd like to either get in there and clean/...
4
votes
2answers
93 views

Help Identifying Mega Bloks Parts

I've bought a storage unit, and truly have no idea what these Mega Bloks are a part of. There are two blue domes, two green domes, and a bunch of what looks like tracks/road pieces.
2
votes
0answers
72 views

Lego EV3 simulator and programming

I've been searching and testing for hours. There is little information on this subject though. I have some specific requirements for a Lego EV3 simulator and programming environment. I do not want to ...
3
votes
1answer
194 views

Why is this piece notched?

It's nowhere as deep as the garage door notches they designed to let the doors slide up and down. How does the notch fit into the initial set that the part was first introduced and does this shallow ...
3
votes
1answer
87 views

What tools can I use to get better prices on a large list of parts on Bricklink?

I prepared a long list of parts (Wanted List) that I want to buy using Bricklink. It is clear that I won't be able to get all the parts I need from a single seller and have identified three Bricklink ...
3
votes
1answer
45 views

NXT Sensors not working

I'm looking for advice. I pulled my Mindstorms 8547 kit out of storage and started to play with it after several years of inactivity. I found that the Color Sensor, the Ultra Sonic Sensor, and the ...
6
votes
2answers
424 views

Can you identify these bricks with grooves?

As far as I understand, these are modified with groove bricks. However, search for 'groove' on bricklink gives only left one. Which are the other two? Which other parts have similar vertical groove ...
1
vote
2answers
43 views

How do you convert the ev3p program files and assets back into an ev3 project file?

I edited the ev3p file, and I want to see the changes by opening it in the ev3 IDE. How do I convert all of the files back into an ev3 project file?
3
votes
1answer
70 views

Partial set identification

Hi, I bought a bag of sealed lego from the second hand shop. It is labelled 6 so must be part of a larger set. Is anyone able to identify it? Thank you in advance.
2
votes
1answer
1k views

Adding Power Functions to LEGO Mack Anthem Truck (42078)

Does anyone have experience adding Power Functions to set #42078 LEGO Mack Anthem truck? It’s a Technic set, but only features manually actuated functions. I have seen it motorized on YouTube, ...
2
votes
1answer
74 views

Can you identify this minifigure?

I would like to know who this minifigure is or what set it belongs to.
2
votes
1answer
44 views

Inventory website/app/software?

I have several Lego sets, and I wanted to see if there was any app/software/website that I could enter the set number, and it would automatically inventory the bricks that I have. It would also be ...

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