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4
votes
1answer
803 views

What Mega Bloks set is this? Purple-ish, roughly egg-shaped vehicle

I need the theme and set name please.
8
votes
1answer
156 views

Which Harry Potter sets are these?

A very generous person gifted many 20-year-old Harry Potter sets to my son. All but this set of pieces had instructions and boxes. I’m not sure what is left. For minifigs there’s Harry, Dumbledore, ...
7
votes
1answer
98 views

What is the max current for the EV3 I/O port's VCC pin (pin 4)?

The LEGO EV3 Hardware developer kit says that the fourth pin of input or output port provides a voltage of 5 volts but doesn't give the the maximum current that can be drawn from the pin. What is the ...
0
votes
0answers
36 views

How do I tell if LEGO bricks are fake? [duplicate]

I recently bought a large lot of LEGO bricks, come to find out that more than half are fake. There are some minifigures that are real and some are obvious fakes, but the Minecraft ones I can’t tell. ...
2
votes
2answers
85 views

Is it possible to power supply an EV3 hub through the battery slot with 10 V?

I have two USB power banks that according to USB standard supply 5 V. I want to power my EV3 brick using my two USB power banks wired in series and to the EV3 battery slot. Can I power supply an EV3 ...
5
votes
1answer
94 views

What are the differences between Studio 2 and LDcad when working with Technic and EV3?

Information regarding different software has come up over the years, but I am looking for something current. My goal is to create instruction books for some of my designs. Previously I used LDD, which ...
9
votes
1answer
129 views

Which is better for youngsters to learn - LEGO Mindstorms for LabVIEW or Scratch?

I have a lot of laptops with the 'old' LabVIEW Mindstorms. I am about to start teaching Lego robotics to a homeschooling group I'm a part of. Here's what I have: a few old Windows laptops with the ...
3
votes
2answers
129 views

Most cost efficient length for pneumatic hoses?

As the title says, I would like to know what the most cost efficient length of pneumatic hose (including 99021s) is, assuming the average length of each piece is 12cm (4.7") and I can cut large ...
0
votes
1answer
91 views

What is this 2x10 part with a center console and two holes? [duplicate]

I am fairly sure this part is from earlier than 1990. On the bottom are the characters "A" and "4". I checked Bricklink for yellow 2x10 parts but couldn't find anything. The 2x5 ...
18
votes
1answer
2k views

Need help to identify a piece - green, like a 1x2 plate with 4 angled cubes hanging off at odd angles

Can you please help me to identify this? I have no idea what to do with it.
1
vote
2answers
266 views

Take off a small 1x1 piece from bigger LEGO surface

In general, what is the best approach to take off small pieces from a surface like the one in the picture? How to proceed What should I do if I don't want to deal any damage to LEGO itself? I want ...
18
votes
2answers
5k views

Is this part real LEGO or a knockoff?

I bought a LEGO lot off craigslist a few days ago with some sets and some bulk parts. It included some parts that appeared to have been bought in bulk (maybe pick-a-brick?). It also had some random ...
7
votes
2answers
1k views

Grapes on the vine

I'd like to build a lego winery, similar to this one It looks like he's using the purple ice cream scoops for grapes, right? How do you think those are attaching to the plants? How might I create ...
5
votes
1answer
73 views

Fix Power Functions cable near connector (L motor)

We have a broken cable on the power functions L motor. I've fixed an M-motor before in the engine, but this time the cut is near the connector. Unlike the M-motor, this connector doesn't have the ...
13
votes
3answers
458 views

In LEGO: How to build a revolving magazine rack for 2x3 tiles?

I've been trying for months to come up with a design or parts for a 4-sided spinning magazine rack, like the old wire-style you would see in book stores. I need it to be fairly stable so I can put in/...
5
votes
5answers
1k views

Why are 2x4 bricks hard to get in certain colors?

I'm new to the Lego community, so apologies if this is a dumb question. I am trying to understand how best to get hold of 2x4 bricks in a variety of colors in the brown and green spectrum but am a bit ...
3
votes
0answers
158 views

What's this rod part?

Any ideas? I can't find a part number anywhere.
6
votes
1answer
390 views

Is this a fake LEGO torso?

I recently purchased a new 52 Nightwing LEGO minifigure from Bricklink, to replace my damaged one, but I think it may be fake. I compared the two, and I found a few differences, which I have not seen ...
6
votes
1answer
521 views

Is there a reason why there's sometimes multiple “Bag 1” bags in particular sets?

When building some of the larger sets from Lego, there are sometimes cases where there's multiple large bags having the same number. This ends up being a bit of a challenge when the build space on my ...
5
votes
1answer
149 views

What is water displacement value for LEGO solid hulls?

I'm building a boat model out of LEGO and I need to decide which boat hull to use. I need the smallest that can carry 485g of load. Where can I get information about water displacement of unitary LEGO ...
4
votes
2answers
724 views

What set do these LEGO parts belong to? Star Wars-type patterns, Bionicle connectors

Please help identify these Lego sets:
2
votes
1answer
67 views

How can I use the LEGO distance and color sensor from Power Up with the LEGO Mindstorms EV3?

I am asking how I can use the distance and color sensor from the LEGO Power Up series with my LEGO Mindstorms EV3. I know that they have different plugs but I am wondering if there is a solution to ...
5
votes
1answer
441 views

Identify wall piece with jungle or Meso-American print?

I found an older piece and was wondering if anyone knew the part or set it came from.
4
votes
1answer
187 views

Battery Box 8881 not providing enough power

I bought a used 8881 battery box. It doesn't appear to work with anything. When I test it with a multimeter, I only get a voltage reading of ~0.5V. I tested each of the batteries, they each come out ~...
6
votes
1answer
3k views

Trying to identify Star Wars LEGO set

I bought a second hand LEGO set and it came with a box of loose ends, with some partially built sets. I think this is a Star Wars set - any help in identifying it would be welcomed.
4
votes
1answer
126 views

Is it possible to power an EV3 hub via USB?

I have a LEGO Mindstorm EV3 hub. I want to avoid buying rechargeable batteries by supplying power through battery box pins using an external variable power supply. Is it possible to supply power to an ...
2
votes
1answer
81 views

Robot Inventor Bluetooth not working

A while ago, I started up the Robot Inventor program and noticed the computer was not connecting. When I clicked the "Connect" button, the loading "circle" simply started spinning ...
14
votes
2answers
2k views

How tall is a Lego train on a track?

I cannot currently access any Lego trains, and the product range offered in the trains category in these years is rather ... disheartening. Nonetheless, I do not rule out the possibility that things ...
-3
votes
1answer
157 views

Just saw these 1990s sets in a local shop. Would any of these be a good investment? [closed]

Just saw these 1990s sets in a local shop. Would any of these be a good investment?
5
votes
0answers
143 views

Identify brand of these non-LEGO parts

I bought a bulk of bricks, some of them are not LEGO, but the quality is perfect - gloss, fit, plates have groove, transparent parts are clear. I would like to know which brand also produces such nice ...
3
votes
2answers
103 views

Where can I find details/instructions for this keychain?

Hi, I’ve been trying to find info on this Kai DX LED keychain from 2011, but have been unable to do so. Are there any pages where I can find information/details on this keychain and possibly the ...
6
votes
1answer
475 views

Trying to 3D print a birdhouse but need to identify plates

I found a birdhouse on Thingiverse (thing:1641240) I would like to print and build. It uses Lego plates for the floor and roof, but the problem is that the person that posted the design didn't include ...
1
vote
1answer
124 views

Making a relaxing LEGO tub

I'd like to make a few tubs with an ornate gold-trimmed look. I'd like to get atleast a somewhat curved feel to them, not just the blocky square ones you see on the youtube tutorials. Here's a few ...
3
votes
1answer
269 views

Need help to identify a piece - two 1x2 plates connected by curved lines

Bought a used collection and got many of these in different colors. Wasn't able to find a set containing similar pieces. It looks like the top of a cockpit. Can you help me?
0
votes
1answer
291 views

Are there any cases of Illegal Building in an official lego build?

I am defining illegal as it is in this answer, specifically the following Studs-on-side bricks cannot have their side stud in the hole of a technic brick Bricks mounted SNOT style onto Ehrling/...
1
vote
1answer
125 views

Does any one know a model or set number for my son's broken piece?

It's Mega Blocks, a small blue piece Spiderman retractable web where you push a button on the little block and the string recoils back inside the block. All I can get is it's Spiderman retractable web ...
6
votes
1answer
200 views

Identify these non-LEGO vintage building logs

I found these little brick logs. Mum said they were sticklebricks but they're definitely not! Does anyone know what they are?
8
votes
2answers
3k views

Please identify these two Star Wars ships

I need help identifying these completed ships. I need names or set numbers to match my minifigures.
7
votes
1answer
244 views

Why isn't the LEGO logo on studs in more official computer animated shows, movies, and games?

In the LEGO Simpsons episode Brick Like Me there are many shots where the tops of studs are clearly visible but lack the logo- the smooth tops make them look like a cheap knock-off brand. A ...
2
votes
1answer
58 views

EV3 force sensor - how to download the block to EV3?

I'm a twelfth grade student and I'm studying mechatronics and this is the first time someone from my school has used a force sensor so my teachers do not know how to help me. Can you please tell me: ...
18
votes
1answer
3k views

Got a weird trans-purple cone part as extra in 71043-1 Hogwarts Castle

I bought a 71043-1 and one of the extra parts is this trans-purple "cone" with the smaller through-hole, which couldn't identify since there is no element number, only the mould number which ...
12
votes
3answers
335 views

Train level crossing using 2021 road plates

I'm interested in integrating a train level crossing into a city layout using the new road plates, but I've been struggling to figure out the best way to do this. Here's an example level crossing for ...
4
votes
3answers
167 views

Will non-Lego remote controls work with Lego IR receivers?

I bought a KAZI model of a Chinese bullet train CRH400F a month back and want to use a remote control. I bought an IR receiver and remote control, but the other IR receiver is lost in the post. So I'm ...
4
votes
1answer
249 views

Mounting 'shelves' on a 57518 Lego conveyor belt

For a school project I'm trying to build a conveyor belt out of LEGO. I'm currently just working on the design so I haven't ordered anything yet. I think that for my build the 57518 pieces are perfect....
0
votes
1answer
85 views

How do you sell Lego on Brickowl?

I was trying to start a store on Brickowl, but I noticed that, unlike Bricklink, it did not contain a sell button that was in plain sight. I searched around for it, but could not find it. If somebody ...
5
votes
1answer
2k views

Identifying a late 90's early 2000's LEGO Space Fighter/Bomber

We're moving out some of our grown kids' LEGO sets that have been in storage for a long time. We came across a bag with all these parts in it that look to be a LEGO space ship or bomber (I say this as ...
3
votes
3answers
113 views

How to stop or freeze the EV3 large motor in position

How do I stop or freeze the large motor in a fixed position? I have a forklift type attachment that will lift to the precise height, but will not stay in position due to the weight of the attachment. ...
8
votes
3answers
2k views

Is there a public library of LEGO parts ready to be imported to 3d editor?

I just found for myself mecabricks.com. Amazing! However I wonder where do they take models of their parts from? Are they all self-designed (and proprietary) or come from some open source? Is there ...
10
votes
2answers
738 views

Is it a stupid idea to buy every brick in an end of sale set?

There's a set I want that is currently available on eBay for around 8-10 x its original price. I was wondering if I could just buy every piece needed and if you guys thought that made any sense ...
0
votes
1answer
154 views

What set does this bag belong to? Black, grey, orange, and blue rubber band [closed]

Code on bag is 5 number 127S bricks are black, grey and a few orange Contains small flat white box 6049725 which contains blue magic sand

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