All Questions

I need the theme and set name please.

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, ...

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 ...

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. ...

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 ...

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 ...

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 ...

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 ...

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 ...

Can you please help me to identify this? I have no idea what to do with it.

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 ...

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 ...

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 ...

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 ...

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/...

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 ...

Any ideas? I can't find a part number anywhere.

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 ...

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 ...

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 ...

Please help identify these Lego sets:

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 ...

I found an older piece and was wondering if anyone knew the part or set it came from.

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 ~...

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.

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 ...

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 ...

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 ...

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

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 ...

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 ...

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 ...

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 ...

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?

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/...

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 ...

I found these little brick logs. Mum said they were sticklebricks but they're definitely not! Does anyone know what they are?

I need help identifying these completed ships. I need names or set numbers to match my minifigures.

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 ...

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: ...

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 ...

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 ...

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 ...

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....

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 ...

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 ...

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. ...

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 ...

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 ...

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