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votes
1answer
150 views

Identify pieces for this Griffin

I'd like to make just the top part of this griffin Can you help me identify the eye, ears, beak and that weird curvy white part on top? I think I can find the rest.
5
votes
2answers
375 views

How to locate pneumatic leak

I have a simple pneumatic claw with a 2 pump compressor that I built somewhat recently. It worked fine for a while, producing up to 4 bars of pressure, but then the system wouldn't increase the ...
7
votes
1answer
587 views

What LEGO piece is this?

Could anyone identify this piece?
7
votes
2answers
5k views

Is this assembly legal?

This question might be strongly opinion-based, but I also think it might be interesting. I know there is a guide for Lego builders to decide if their build is legal or not. However, the cases of this ...
2
votes
1answer
120 views

Can you identify some parts on the Chinese New Year Temple Fair set #80105

I'm trying to plan a smaller version of the Chinese New Year Temple Fair. Can you help me identify the parts used to make the plants on page 30 of the instruction manual? Can you help me identify the ...
3
votes
1answer
271 views

Issues with my LEGO Land Rover Defender - Rear Wheel Keeps Popping Off

I just finished the assembly of the Land Rover Defender Technic model and it appears I have trouble in the rear... the rear left tire keeps popping off every time I try to roll forward. It is secure, ...
4
votes
1answer
197 views

Can you identify if this part is original?

Recently, I bought a LEGO part from Bricklink (Technic, Steering Arm with 4 Ball Joints with Black Wheel Hub (x872 / x873)). I'm not sure if it is an original part or not, because I don't see any ...
-2
votes
2answers
142 views

Booty Bay from World of Warcraft [closed]

I would like to build a replica of Booty Bay from World of Warcraft. Here's some screenshots: To make the ramps angled correctly, I'm planning on using something like part # 44570: Can you help me ...
2
votes
1answer
91 views

Does Power Functions 88002 fit a gray-era train and run on gray-era tracks?

Is the Power Functions Train Motor (set 88002) the right height for a gray-era train (set 7745)? Does the Power Functions Train Motor run OK on gray-era tracks?
1
vote
1answer
53 views

Is it possible to use a switch with three conditionals and the color sensor to compare?

I am using an EV3 robot. Is there a way to program it using a switch, or another way, to compare multiple colors? The goal is to have the robot act as a car and use the color sensor to recognize ...
3
votes
1answer
78 views

How to obtain a missing part?

I'm building the 21320 LEGO Ideas Dinosaur Fossils set. Looks like there is a part missing. I only have one of the part in the attached image. How can I identify the part number and obtain it?
3
votes
0answers
42 views

Adding custom / recorded sounds for power-up

The Powered Up application offers many more sounds than the BOOST app, but the later allows for recording of extra sounds... How could someone add / record custom sounds for powered-up App?
5
votes
1answer
135 views

Can you identify these column decorators?

I want to decorate some columns with these little round ionic scroll-looking things. Does anyone know the part number?
2
votes
1answer
114 views

Can you identify these arch-way pieces

I'm considering starting a project inspired by some of the Arab-style buildings I've seen. Most of them use a sort of curved archway around the windows. I can't figure out how to duplicate it. Can ...
7
votes
1answer
714 views

Can you identify this modified plate?

A friend asked me to identify an element, but I have no idea either. Customary search on BrickLink modified bricks/plates/tiles categories didn't give results. I do not have any additional information ...
6
votes
1answer
205 views

Identify this dinosaur build

I acquired a random lot of LEGO bricks and came across this small dinosaur build. I can't find it anywhere. Pictured is about 35 pieces, but It is probably incomplete because even this had been broken ...
6
votes
2answers
129 views

Overview on how to use special Technic parts?

I just came out of my "Dark Age" inspired by my kids growing up and getting more and more out of Duplo and into Lego. I bought a mixed lot of Technic parts and man, there are a lot of new parts! So ...
2
votes
1answer
43 views

EV3 program runs fine when connected to PC but does not respond when copied to the brick

I am building the race car mentioned in the LEGO Mindstorms discovery book using an EV3 brick. The problem I am facing is that the driving program runs fine when the brick is connected to the PC via ...
0
votes
1answer
124 views

How can I upload .ev3 files to my brick under macOS Catalina

After updating my Mac to macOS Catalina I can no longer run the previous Mindstorms software. The new tool "Mindstorms Home" doesn't allow for opening .ev3 files and uploading them to the brick. Does ...
16
votes
2answers
3k views

Is this a real Technic cloak?

I found a cloak piece in some used LEGO I bought from a former LEGO employee. The cloak does not say LEGO on it, but it fits perfectly onto Technic figures with a satisfying pop and matches the ...
4
votes
1answer
181 views

LEGO figures from the loading screen of Instructions App

Where could I find these two LEGO minifigures? I've found this screenshot in the LEGO Instructions app.
8
votes
1answer
560 views

Any idea what this part is?

I have bought a mixed bag, with not many booklets. This LEGO part has no part number, I'm trying to find it's set number.
5
votes
1answer
154 views

How does one identify the designers of a LEGO set?

I'm looking for tips to identify the Lego Designers that have worked on a given particular released recent set. Ideally, I would like to find an online resource that has this information for as much ...
8
votes
1answer
467 views

What material are older soft (plant) parts made of?

I've carefully searched through SE and web and haven't found the exact answer. This 2018 announcement states that new plant parts are made of plant-based polyethylene. It also implies that plant ...
1
vote
1answer
224 views

Is the LEGO Mindstorms Education (not Home, not Scratch based) Edition for Mac OS gone?

I am starting a robotics and programming club with some 9-12 year olds and for the past week I have been developing activities using my Windows version of LEGO Mindstorms (the education / teacher ...
0
votes
1answer
95 views

My Mindstorms Spik3r can't turn around

When I use the button for turning it just goes backwards. Why does this happen? I've checked the instructions and didn't find anything.
3
votes
1answer
127 views

Schematic and program listing of 28743?

Looking for more info on circuit board of 28743. E.g. what is the processor used? Would like to be able to reprogram the chip. E.g. program the train to stop on the third STOP directive strip, or ...
14
votes
2answers
4k views

What piece has one prong on one end and four on the other?

Yesterday I wanted to answer a question with this part in mind, but I couldn't find it in any of the databases I looked in. After finding this part in my collection, I tried to look for its part ...
1
vote
1answer
197 views

How to motorize a LEGO Pneumatic valve?

I am working on a project that requires remotely switched LEGO valves, and I tried many designs I found, and none of them worked due to the valve causing too much resistance. Does anyone have a ...
4
votes
2answers
339 views

Which parts have no-friction Technic axle holes?

I want to make a no (or very low) friction inline coupling for axles. The axles must turn, transmit moderate torque, and be in phase (therefore backlash must be minimal). The axles remain inline at ...
2
votes
0answers
105 views

How do I make a single arm double tap a piano key?

I am trying to make a Lego play piano from ev3, where I have connected two arms to a single motor on either side using Lego elements. Both the arms move counter clockwise to one another (if one plays ...
4
votes
1answer
220 views

How to sell built Lego sets?

I have 4 UCS Star Wars sets: Slave 1, Airspeeder, TIE fighter and Sandcrawler. I'm not interested in keeping them anymore. They take up a lot of room and don't do much. I was wondering how to sell ...
2
votes
1answer
57 views

EV3 software with large blocks

I can't seem to find a download for home or education version of EV3 software that has the large white blocks for either macos 10.13 or 10.15 on my imac. Can someone help? I currently have that ...
10
votes
1answer
146 views

Displaying Minifigs and avoiding discolouration

I have just made some frames (IKEA box frame, white mount board, 70 2x4 white bricks per frame, and super glue) to display some of my minifigure collection: Really pleased with the results (and even ...
6
votes
2answers
194 views

Are there two versions of the set 6205?

I own the LEGO set 6205 and I noticed from another picture on Brickowl and Bricklink the wing design is different. Is there an alternate version or did someone who had the set mix up the pieces and ...
7
votes
1answer
235 views

Can anyone tell me which set this LEGO plane is from?

Im looking through my old LEGO sets and discovered this plane and I have no idea which set its from or the details. Could anyone help me out please?
14
votes
2answers
3k views

What are the thick red cylinders in 80104?

What are the thick red cylinders with handles (not the drumsticks) that two minifigs are holding in set 80104 supposed to represent?
13
votes
1answer
2k views

Will Duplo trains fit onto a regular 6 stud LEGO track?

There's a thread here establishing that regular LEGO trains arguably fit onto Duplo track, but have trouble with underbelly clearance. What about the opposite? Will a Duplo train fit onto six-stud ...
7
votes
1answer
180 views

Harley Davidson chain belt running jolty

I am building the Harley Davidson Fat Boy from Creator Expert (10269) and when installing the chain belt that connects the engine gears to the rear wheel I noticed that it runs quite jolty, with the ...
0
votes
0answers
28 views

Recover lost programs from EV3 brick [duplicate]

I saved all my Mindstorms EV3 programs in a pendrive,but now,the the pendrive has broken, so I lost all of my programs. But I have all programs inthe EV3 brick. Does someone know if I can recover my ...
7
votes
1answer
195 views

Does anyone know what set this is?

I have recently re-discovered Lego and was looking through my son's old sets. In a box I found this partially assembled "Bug". I don't have the instructions nor the original box so I am unsure what ...
10
votes
3answers
1k views

Why doesn’t part 30099 fit into the System?

Part 30099 - Brick Arch 1x5x4 Inverted doesn’t seem to fit into the LEGO system. I cannot find a part that fits on the bottom stud and provides continuity to the concave slope of the arch. A tile is ...
5
votes
1answer
278 views

What is the total number of sets that LEGO has released?

I am wondering how many LEGO sets that LEGO has released in total in their 85+ years of business. To clarify I am only looking for sets that use plastic blocks like the ones we have today, not the ...
6
votes
1answer
213 views

LEGO Technic #42082 - Rough Terrain Crane: Loose Feet

LEGO Technic crane set #42082. Putting the feet on now, are they supposed to click in somehow? Also, my feet don’t seem to touch the ground. I’m worried I messed up somewhere a long time ago. Help ...
7
votes
3answers
6k views

Should my set come sealed in plastic?

I’m a new collector. I decided to buy the Stranger Things set as a possible investment piece. I assumed the box would come sealed in plastic but it didn’t. Is this normal?
2
votes
2answers
193 views

What are these part numbers?

Can someone help me figure out what both of these LEGO part numbers are? The first two pictures are the same brick at different angles to show it's strange design, while the third picture is the ...
3
votes
1answer
61 views

How to restart/reset a program automatically after stop block

I have a program that uses the colour sensor to progress that program. The colours are in a certain order. If the wrong colour is detected, the program stops. I want to restart the program from the ...
5
votes
1answer
235 views

What set is the safari car in the 2020 catalogue from?

On page 2 of the (German version of the) 2020 January-July Lego catalogue, there is a promotional image with various sets or parts thereof1. Catalogue online version. In the lower right corner of ...
10
votes
3answers
3k views

Identify this license plate holder piece

Please tell me the name of this piece. I've been looking for it for hours on LDD and have tried searching for it with many names. I know that you use it for cars and it's a very common piece too. ...
4
votes
1answer
653 views

Looking for instructions for this Mega Bloks Dragon Ship

I don't know the model #, but it's probably from the early 2000's. Looks like this.

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