All Questions

3
votes
1answer
96 views

Can you identify what sets this partial build and bag of LEGO elements come from?

We got this big box of Lego bricks, and we don't have the manuals, please help!
9
votes
2answers
391 views

Identifying Parts Used For The Escape Hatch of Sariel's Tiger XL Model

I am working on a similar model of Sariel's Tiger XL in prep for my own designs of a few other German WW2 tanks, and need some help identifying a part or two. Does anyone know what are the two parts ...
8
votes
1answer
147 views

Duplo Locomotive: What is this inner part used for?

Background I was forced to completely disassemble a duplo locomotive. My son played with it in a sand box and, guess what, it was not working anymore. I used a small brush to clean everything single ...
6
votes
2answers
1k views

Lego Mindstorms Ev3 home edition on Mac OS Mojave bug - bricks sometimes go blank

I have a fresh install of Mojave and of Mindstorms Ev3 home edition. It seems to work fine but then randomly all the information disappears from the blocks at the bottom of the screen, and sometimes ...
3
votes
1answer
46 views

How do I delete custom images I made in my computer?

I created a custom image for a test, and everytime I download the program to my brick, the image shows up in the folder despite me not using a display program. How do I fix this?
3
votes
1answer
44 views

Get robot to face perpendicular to nearest object, using the ultrasonic sensor in NXC?

I have an ultrasonic sensor attached to a motor so that the sensor can rotate. Right now it stops once it scans a value less than 65 cm. What I want it to do is to scan its surroundings and then face ...
5
votes
1answer
195 views

Pattern for oscillation with LEGO Technic

I would like to simulate an oscillation movement of 120/100 degrees around a fixed point. Something like this one: Basically, I want to rotate a gear around its axis, but only have a partial ...
22
votes
6answers
4k views

What sets have been named in a punny way?

I heard speculation that set 40358 "Bean There, Donut That" is the only set that LEGO ever produced where the name of the set is also a joke. Is that true? Or are there other sets names that contain ...
4
votes
1answer
219 views

Help identify this ship section

Can you help identify this ship section from a box of LEGO parts we have now? It looks like it was in an epic battle.
3
votes
1answer
28 views

How can I have EV3 Commander App continue running the motor when I release the slider?

I'd like to control a drawing robot that I am building with EV3 Commander App. The problem is that EV3 Commander App stops the motor as soon as I release the slider. Is there an option with EV3 ...
3
votes
2answers
160 views

What dark green and lime BIONICLE do I have?

If anybody could tell me what BIONICLE this is I’d greatly appreciate it, it’s driving me mad! 😡
2
votes
1answer
79 views

What kind of mat do you use for running Mindstorm EV3?

Turning Ev3 precisely has been a problem. Do you use a mat for running EV3 on. Can you tell me on what material to get the mat printed?
7
votes
1answer
348 views

Can you identify this LEGO Space build from the early 90s?

Can anybody help me identify this LEGO model from this old picture. My son built this around late 80's / early 90's. The closest I can find is the 6956 Stella Recon Voyager set. Same colours and ...
3
votes
1answer
114 views

Can you identify a set containing a zebra and spider minifig?

I have 2 bags of unopened Lego bricks but I cannot determine what set they belong to...bag 2 344R6 and bag 4 344R6. They are probably from Lego Junior. I can tell there is a zebra character minifig ...
4
votes
1answer
100 views

What is an effective way to clean clear LEGO bricks?

What kind of cleaning products are good and safe to remove smudges and finger prints off clear LEGO parts? Normally I would just use the Clorox wipes. The parts in question are 1x2x2 panels in clear ...
4
votes
1answer
116 views

Which resistor value is used for which motor in Power Functions 2.0?

Based on the answer here it seems that resistors are used to detect what is plugged in with LEGO Power Functions 2.0. So which resistor values (or ranges) apply to which motors or other devices? Are ...
1
vote
1answer
133 views

What is the best way to sell sealed LEGO sets?

My kids have inherited a massive LEGO collection. 90%+ is in mint condition, still sealed. There are thousands of sealed boxes - currently kept in storage. There are plenty of open sets that the boys ...
0
votes
0answers
87 views

Bricx Command Center says “No connection to the programmable brick”

I saw that Laurens Valk in THE LEGO® MINDSTORMS® EV3 DISCOVERY BOOK thanks John Hansen for the EV3 screen capture tool, and, upon further investigation, I found and installed Bricx Command ...
0
votes
0answers
20 views

Power Function 2.0 Pin out [duplicate]

Does anyone have the pin out spec for Power Functions 2.0? Have tried Google and Lego Ed for answers Is there a source for the connector and receptacle? I could not find any data on the connector
6
votes
1answer
239 views

What is inside the LEGO Powered Up M motor?

What is inside the M motor in the new Powered Up system? How is it different from the older Power Functions motor?
2
votes
1answer
160 views

LEGO Power Function PF 2.0 specification

Does anyone have the new Power Function 2.0 specification or pin out?
2
votes
1answer
97 views

Help me identify what set this bag of mostly white tiles and panels belongs to

Can anyone tell me what set this bag belongs to? It could be 2011 but not sure.
2
votes
2answers
53 views

Please help identify what set this bag belongs to

Bag indicates that it was made in 2011.
4
votes
1answer
65 views

Please help identify a set with bag of tan, white, grey, and light-blue 1x1 and 1x2 bricks?

Help me identify what set this small bag goes to?
4
votes
2answers
135 views

Stacking motors on the Powered Up hub or Boost hub

The way the Boost/Powered Up connectors are designed, it's not possible to have multiple motors on the same output of a hub like it was possible with 9V or Power functions. However, since I only want ...
6
votes
1answer
80 views

Help to identify a small tube part

I'd like some help identifying the black parts circled in the photo.
6
votes
1answer
643 views

Hacking the Bluetooth motor in the motorized LEGO® DC Super Heroes 76112 App-Controlled Batmobile

I'd like to hack the receiver / motor so I can control it from my Mac (or a PC if there is no other way). Recently LEGO released an app-controlled Batmobil - product detailed are here: https://shop....
6
votes
1answer
68 views

How can I find overlapping bricks in LeoCAD?

I've just started using LeoCAD to generate instructions for a model I want to share. I've been able to get it working despite the sparse tutorials. But in looking at my results so far I see that I'...
1
vote
1answer
164 views

Why do I not have the Brick Datalog app in the LEGO Mindstorms EV3 V1.10E firmware?

I realize a similar question has been asked (you can view it here) however mine is slightly different. I have a Lego Mindstorms EV3 Home Set 31313 and due to recommendation, I installed Lego ...
7
votes
1answer
106 views

Stuck on 42066 Air Race Jet model B

I've successfully built model A of the Air Race Jet but with model B I've got stuck on page 7, instruction 8. How do you do that?
5
votes
1answer
141 views

I have a LEGO minifigure and I'm trying to determine the value of it

I have a minifigure and I am trying to determine it's value - I'd like to know whether it's worth holding on to it for longer, or if I would get a reasonable price for it now.
8
votes
1answer
178 views

Can anyone identify what kind of block these are? I have had no luck with Google.

They all link together. I added a normal lego to compare size.
3
votes
3answers
231 views

Identification of rare (?) pieces

Recently, I bought a large LEGO collection in which, during the sorting, I found some pieces I'm completely unable to identify. Moreover, seeing some of them I doubt if they are LEGO at all (could be ...
10
votes
1answer
207 views

Why do some LEGO City vehicles have tiles in their chassis?

While building 60150 Pizza Van, I noticed that the first few steps of building the eponymous vehicle have you place lime green 1x2 tiles in specific positions and black 1x2 plates in others: These ...
5
votes
2answers
186 views

Could you help me identify these vintage bricks with holes in the studs?

I recently got a bulk lot of official Lego pieces from a charity shop. Amongst my treasures I discovered a load of these bricks (about 40 or so). At first I thought they were some of the first Lego ...
6
votes
1answer
131 views

Is it possible to use 5 motors on an EV3 brick?

The EV3 brick has only four output ports (A B C & D) to run motors. Is there any way to use port 1 (sensor port) to control a motor?
1
vote
1answer
32 views

Can I install EV3 Education software and Retail software side by side?

I have EV3 Retail edition and I like to buy required sensors and build the robots come with the education edition of EV3. I have lots of LEGO Technic spare parts so I expect I can find alternate parts ...
1
vote
1answer
74 views

EV3 Ultrasonic Sensor (45504)

I leanred that EV3 Ultrasonic Sensor (45504) is out of stock for a long time. I wonder if the sensor is being discontinued due to accuracy problem? Is there any alternate version of "Gyro Boy" that ...
3
votes
1answer
117 views

What is the difference between Star Wars UCS and Master Builder Series?

In the press release for Betrayal at Cloud City (75222) it was noted that this set was part of the Star Wars Master Build Series. What is this? Does this replace the Star Wars Ultimate Collector ...
7
votes
1answer
126 views

How can I firmly attach a triangle to a turntable?

I found a couple good technic triangle designs over on brickengineer.com. For example: How can I firmly attach a triangle to a large turntable? Details: Really I only need to attach ...
1
vote
1answer
48 views

Ideas for a price tag on parts from old city set?

I took advice from my previous question and did a bit more research, but I have somethin specific. I realised I have had a City set with a few more "unique" parts. The set is 7900 Heavy loader. I can'...
0
votes
1answer
55 views

lego mindstorm ev3 education 1.4.2 for Windows crash when open 2nd projects

EV3 open first project no problem, but when I open second project it crash and exit. I tryed install EV3 software on Windows 10 (MS Surface laptop i7,16GB RAM), or on Windows 7 (Thinpad i5, 16GB RAM), ...
5
votes
1answer
93 views

What set is this green sled from?

Anyone know what LEGO set this little green sled is from? The pieces rest on a black 6x4 studded plate. The corner cheese wedges and edge rails on the right and left are a dark green (not black).
5
votes
2answers
90 views

Is it worth parting out a set to sell without the minifigs?

I wanted to sell my Lego in a bulk, but then decided I don't have a reason not to sort it out. I do believe I have the Ninjago Earth Dragon (2509), but before I find the pieces, I know a few things ...
5
votes
1answer
101 views

Does LEGO Digital Designer include part 4539880?

Does anyone know if LEGO Digital Designer includes the part 4539880 (often used for housing differentials) ?
3
votes
1answer
55 views

Is it expected that LEGO will produce small (S or XS) PF motors?

The existing LEGO PF motors are the M, L, and XL, making builders suspect that the S and even the XS names were left out and reserved intentionally for later designs. However, the M motor was released ...
7
votes
0answers
164 views

Can anyone identify the brand of this non-LEGO brick

Hi folks I was hoping someone out there may recognise the brand of this block I found in the garden. I have been searching but the closest I can find are Locblocks - however this appears to have a ...
3
votes
7answers
205 views

What Lego part(s) would hurt the most to step on?

We've all heard (and probably experienced) the long-running joke that stepping on a Lego is the absolute worst. People have determined this is due to the bricks' high compressive strength, small size,...
3
votes
2answers
455 views

How to instruct Mindstorms EV3 from PC conditionally?

I want to direct my LEGO Mindstorms EV3 creature from my PC conditionally (ev3dev, Python). The idea is that the program runs on the computer, collects real-time data from different sources, processes ...
3
votes
1answer
40 views

Connecting 2 NXT bricks in order to control motors and sensors from one brick

Is it possible to connect two bricks using a cable (connecting port 4 to port 4) , and then have both programs run by only pressing one button? I want the sensors attached to one brick affect the ...

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