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5
votes
4answers
471 views

Where to get bulk GBC balls?

I am running a middle school robotics club, and this year we are focusing on building a Great Ball Contraption. One problem I'm having is acquiring the balls. On Bricklink, the discontinued soccer ...
3
votes
1answer
254 views

Is there a named scale for sets such as 75055 or 75054

I am looking for the name of the scale that most Star Wars sets use, that isn't minifigure scale as it has been scaled down to an appropriate size but still has an interior for minifigures, such as ...
5
votes
1answer
70 views

How can I get a Powered Up motor to run without using a hub?

I'm mainly taking part in LEGO events as part of a Great Ball Contraption exhibit. Most of the modules I make, and that's true for a lot of other builders, are purely mechanical in nature and driven ...
0
votes
2answers
161 views

What is the rarest LEGO set ever produced?

Is there a general consensus on what the "rarest" LEGO set of all time is? And if so, then what is it? To clarify, of the sets that at some point were for sale to the general public, which one is the ...
3
votes
1answer
63 views

Is anyone able to identify these two pieces?

I'm struggling to identify these two parts. I have searched all parts on Rebrickable, but without any luck. Is someone out there able to help me?
3
votes
0answers
28 views

Can you change the sensitivity of an EV3 Touch Sensor?

My son is making a LEGO pinball machine and is wondering if it is possible to increase the sensitivity of an Ev3 Touch Sensor as when a ball hits it? Or does he need to use Color Sensors?
14
votes
2answers
1k views

Are these bricks old Lego/Duplo clones?

Can anyone identify these bricks, which I suspect are Lego/Duplo clones. They may be more than 30 years old. I bought them on ebay as Betta Bilda from Lego/Duplo dealer. Some BB was included, but ...
22
votes
7answers
13k views

Can you program Lego Mindstorms with the Scratch programming language?

My child is learning programming using Scratch in school. Can she program her Mindstorms using Scratch?
8
votes
1answer
1k views

LEGO Submarine waterproofing functional parts (e.g. motors, RC receivers)

From my understanding, the motors and RC receivers are not waterproof. Thus, the LEGO submarine from Sariel's LEGO® Workshop rust after sometime. So, is there any way to make the motors and RC ...
3
votes
2answers
55 views

Does LEGO no longer support NXT 2.0 at all?

I am running Mac OS X 10.15 (Catalina) and the EV3 software can't detect my NXT 2.0 using USB.
4
votes
1answer
63 views

Why do Technic beams have an odd number of holes?

Why do LEGO Technic beams tend to have an odd numbers of holes? Is it for making it suitable for designing models? Or does the owner of The LEGO Group love either odd or even numbers?
1
vote
1answer
52 views

Question about compliance of LEGO videos on Youtube and the new COPPA rules

I make some LEGO videos and post them on Youtube. I'm wondering whether I should flag them as "for kids" or not. Most (if not all) of them are not intended to be specifically for kids, but for all ...
0
votes
0answers
22 views

Where do I get PDF instructions for LEGO builds that were only in software, like NXT as of 2019?

LEGO Mindstorms NXT 2.0 (8547) stored almost all of its build instructions in the associated software. LEGO no longer supports the software for modern Mac OS X. I can not find build instructions for ...
0
votes
1answer
46 views

How do you make your own LEGO instructions? [duplicate]

As per the title, how can I make my own LEGO instructions?
5
votes
2answers
2k views

Will the LEGO MINDSTORMS EV3 software run on macOS 10.15 Catalina

I'm currently running macOS 10.14 Mojave and I see this warning when I start the EV3 programming software: Will it stop working if I upgrade to Catalina? Is there an alternative?
1
vote
3answers
76 views

Buying specific part variant on BrickLink

I've ordered a lot of pieces (at least a lot for me) on BrickLink, among them a bunch of "3794b - Plate, Modified 1 x 2 with 1 Stud with Groove (Jumper)". Instead of that variant, I received "15573 - ...
5
votes
1answer
230 views

DUPLO Train Shopping Resources

I recently bought the 10508 train set for my 3 year old and he just loves playing with it. I am aware of the 10507 and 10506 sets to expand further. Are there any other resources available to buy ...
1
vote
1answer
71 views

Can you please help identify this set?

Can you guys please help me identify this set, looks like some Ninjago set, but that is as far as I can get. Thanks
7
votes
1answer
702 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?
3
votes
1answer
386 views

Can you please identify this set?

I got this set but it is missing pieces and I am trying to figure out which set it is. Can you help please?
6
votes
2answers
245 views

Has LEGO Made A Minifigure-Scale Shopping Cart Piece?

For the current MOC I am working on, I am going to need a LEGO Minifigure-scale shopping cart. I thought I had seen one in an official set, but after searching Bricklink extensively, I am now not sure ...
7
votes
3answers
2k views

Why was monorail offered the way it was?

There have only been 3 + 2 official monorail sets by Lego. Three monorails: (Space, Futuron) Monorail Transport System (Town, airport) Airport Shuttle (Space, Unitron) Monorail Transport Base And ...
2
votes
1answer
95 views

Can someone help me identify this part and possible sets it's in

I need help identifying the following part please:
8
votes
2answers
173 views

Does everything produced by The LEGO Group count as “LEGO pieces”?

I'm wondering if things like LEGO store plastic bags, LEGO boxes, instruction booklets, packaging etc., count as "LEGO pieces" if I incorporate them into a build for the purposes of posting as a ...
1
vote
1answer
79 views

how to send direct command to ev3 brick

I am new to ev3 python but am working on a project. I was reading about NXT-python that " It works by sending the direct commands detailed in LEGO's "Blue-tooth Development Kit" to the NXT brick" I ...
6
votes
1answer
78 views

DUPLO Train Action Bricks

I have the weirdest thing with my son's set. Currently one of the yellow action tiles honks the horn but the other yellow brick does not. No matter the lighting conditions, the position, orientation,...
4
votes
1answer
259 views

What material is the LEGO laptop made of?

What material is the LEGO laptop piece made of? It does not feel like their normal rubber and it certainty doesn't feel like ABS.
6
votes
5answers
5k views

What are the programming languages that can be used on Lego Mindstorm EV3?

My son is interested in robotics. For me, I would like maximum flexibility for programming. For my son, I guess something simpler would be preferable so that his interest is not killed by complexity ...
2
votes
0answers
37 views

When the Chromebook crashes after coding the color sensor switch, what can I offer students to do for troubleshoot this consistent problem?

When students use the switcher block to program the color sensor on their Chromebooks, the app crashes. We have all accessibilities turned off and ChromeOS updated. What other troubleshooting steps ...
8
votes
2answers
216 views

Where can I buy DUPLO bulk bricks?

The request seems weird, I'm looking to buy for my 1 year old some duplo, but they all come in "dog shapes/windows/humans" etc, with a very small amount of rectangular/square blocks, which is all I ...
12
votes
1answer
11k views

How can I motorize 42077 Technic Rally Car with LEGO Power Functions?

The new 42077 Technic Rally Car set looks really nice, and even has a built-in steering system which can be controlled by a gear on the top. There's also a fair bit of extra room inside, is there a ...
3
votes
2answers
89 views

Which Part is this?

Hello all, the base of the gun barrel, does anyone know which part is it?
2
votes
1answer
36 views

Is it possible to use multiple IR beacons on different channels to control EV3?

One IR beacon has very few buttons and I would like to buy additional beacons and use them simultaneously to be able to control more channels. I can't find any information if this setup will work. ...
0
votes
2answers
90 views

Anyone familiar with “consets”?

I just saw a Facebook ad for consets.com. They claim to do a "warehouse clearance", "today only" of genuine LEGO, Their prices are suspiciously low, though, even for "bootLego" / "fake Lego" ...
3
votes
1answer
84 views

Minecraft microworld the nether set 21106

Can anyone tell me how many plastic pouches come in this set? My box has five plastic bags and two instruction books. And also one long orange piece separately. I'm trying to find out if I am missing ...
2
votes
1answer
31 views

can ev3 switch block take inputs

Is it possible to input values into a switch block? For example, if I have a move steering block in switch statement, can I input a value for power from a math block outside the switch statement? If I ...
2
votes
4answers
5k views

LEGO Mindstorms NXT - bossa driver prevents firmware upgrade

First of all, this may sound like a duplicate post. But, my Mindstorms NXT 2.0 has been having the "Clicking Brick Syndrome". I have been told that uninstalling the bossa driver then unplugging and ...
8
votes
3answers
30k views

Starting a wholesale LEGO business

I would like to start a company trading in bulk LEGO. I have been told, however, that trading in volume is quite difficult and good discounts are only really given to the likes of Walmart and other ...
0
votes
0answers
28 views

Release date for New LEGO® MINDSTORMS® Education EV3 Classroom? [duplicate]

When is the release date for LEGO® MINDSTORMS® Education EV3 Classroom for New MAC OS (MAC OS 10.15 Catalina)
6
votes
1answer
114 views

Has LEGO ever released a police/law enforcement-themed minidoll?

Has LEGO ever released a set with a minidoll portraying a female in a law enforcement career role? I was able to, without much difficulty, modify a CITY police car to seat minidolls, but it is missing ...
8
votes
1answer
514 views

Late 1970s hospital and helicopter building brick set

I'm afraid I don't have a picture, but I am trying to identify a Christmas gift I fondly remember receiving as a child circa 1979. It was a 3-foot box of building bricks and the front picture showed ...
0
votes
1answer
38 views

EV3: Detect distances over 255cm with ultrasonic sensor?

In my use case, I have to detect things about 3-4 meters. I don't need to be accurate, +-2 or 3cm is enough. The EV3-G and most other places have a max distance of 255cm, which I understand that it is ...
7
votes
1answer
201 views

Is it possible, to remove a parted out set from Bricklink inventory?

I have an inventory in Bricklink, in which I accidentally parted out (with the consolidation option) two sets instead of one. Is there a way to remove the pieces of the second set somehow without ...
7
votes
1answer
123 views

What is Rebuild The World?

I've been seeing a lot about this new thing called "Rebuild The World". I tried figuring out what it was, but I couldn't. What is it?
4
votes
1answer
178 views

Trouble with 42110 transmission

I just got the 42110 and assembled bags 1 and 2. I tested everything before joining the front axle and rear axle, and the friction was quite low, not nearly high enough to get gears to skip or ...
0
votes
1answer
69 views

What is the wall thickness of a lego brick? [duplicate]

Different sources show different thickness for the wall. I've seen everywhere from 1.0mm to 1.8mm. I need to know with a high degree of confidence since I'm making an aluminium lego piece of a school ...
5
votes
1answer
99 views

What set does this piece belong to and what is it?

What set does this piece go to and what is it? Thinking a castle piece?
0
votes
1answer
73 views

How do I determine which set number from a poly bag

I have a poly bag. It is number two in a set. Underneath the number is 342R7. The set is from 2015. The primary colors are burnt red yellow gray.
1
vote
0answers
27 views

How to import file to Mindstorm Programmer?

I got a Mindstorm set a year ago and I stumbled across a build which looked really cool! I finished the building part then I downloaded the program file but I couldn’t import it. I have a MacBook with ...
3
votes
0answers
152 views

MouldKing set 13132 - Original design, alternate build or cloned MOC?

It seems that Chinese clone brand Mould King will be producing a new set that looks a bit like LEGO's Disney Castle set (71040). It has two times as many parts, however, and unlike LEGO's Disney ...

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