All Questions

I have 4 of these pieces they are marked Pat Pend. Does any one know what these pieces are?

These were the load of vintage Lego pieces. Does anyone know what sets or pieces these are. Some are marked "pat. Pend." Some are not.

I have searched through Rebrickable and Bricklink and can't seem to find this part. Does anyone know what it is or what set it is from?

they are mostly brown pieces with some green. Mostly bricks. It wont let me upload picture

I have this bike from the 80s/90s (4719, red). I wanted to buy another one, but I can’t find this specific version on BrickLink: The handle bar and stand are at an angle, so the bike can be leaned to ...

Crocodile Locomotive can be powered up by using 1 x 88009 and 1 x 88013. Reviews on hubs and motors strongly suggest it is better, financially, to buy them as part of the sets, not separately. Is ...

I was recently viewing bricklink.com's user gallery and I found a design that I would like to recreate. I know the exact pieces that I need for the design (about 5000), but there are no detailed ...

I recently came across this piece: What piece is it, and how can it be used?

I’m new to LeoCAD. I find it’s easy to add regular minifigs or Technic figures to a model, but I can’t find a way to pose them. For instance I could build a car and add a driver, but the figure is ...

We found this box of old (definitely) non-LEGO bricks in Czech Republic. Probably from the seventies or eighties? Does anyone know the manufacturer - brand or set (s) from which they can be? We ...

I recently tried measuring the resistance of a thermistor using the .resistance() method, the results are sadly not accurate. I measured the resistance with a multimeter and it showed 100kΩ, while the ...

These bricks came in a lot of LEGO bricks from the 1960's-1970's. I have looked on Google to check other manufacturers and I couldn't find a match to them.

Which sets do these pieces belong to? Thanks!

So this morning, I was going to build something with my EV3 kit, when I turned on the brick, the brick said 'Type data File not found'. Then I plugged in my touch sensor and all the motors in their ...

Which set does each one of these belong to?

Please help me to identify what is set number for these LEGO sets. I bought them from OP shop but I can’t find what is set number. I just know plastic bag with QR Code and when I scan it becomes ...

I can make something similar with a 2x2 with center knob and stone surrounding pieces, but I really want it in one single piece.

After assembly I have these 5 pieces left. Should I have put them somewhere? I can't find any missed step that would use them. So why are these there at all?

In the LEGO Super Mario app, they have created some neat looking bases, however they have a lot of complicated slopes and smooth plates. It's clearly a 3D model, but it looks as though as if it could ...

What is the difference between the "Simple Medium Linear Motor" (45303) and the "Medium Linear Motor" (88008) Powered Up motors, other than the size and design? Is the performance ...

I'm searching for the item number of this minifigure head: Thanks for your help!

Has anyone had any luck installing the NXT 2.1 software onto a Windows 10 PC running V2004 19041.1052 build? I keep getting an error: This publisher has been blocked from running software on your PC. ...

My team and I are trying to convert our coding framework made of myblocks into actual blocks. I made an application, that generates a "shell" of the block (the modes, and parameters). After ...

Please help me identify this part. It has nothing on it except "LEGO". Thanks.

Wanting to replicate the scene from Empire Strikes Back where Luke is flying a snowspeeder on Hoth and harpoons an AT-AT. I have already purchased and built the AT-AT model number 75288 but I'm having ...

The hubs present in the Mindstorms Robot Inventor or SPIKE Prime sets have 2100mAh lithium-ion batteries which can be charged with the accompanied cable with a micro USB connector on one end and a ...

I created an education web platform with different activities so I have have made my LEGO illustration representing me in the different contexts of my site: classroom, consulting workshop room, ...

This may seem a bit weird but over a number of years I've saved a small collection of random Lego bricks I've found among driftwood/debris along the Ohio River bank, after rises and falls of the river....

I have a large tile (inclined) with a sticker of what looks like a fire monster with flames. Can you help me identifying the set? Could it be a Ninjago set?

Hi I came across these bricks. But I have no idea what they are. They are plastic as far as I can tell. I hope someone knows a bit more

Can I control Power Functions M-motor from 8293 set with remote control from 60051 train set? It seems from the picture, that the sockets fit into each other. So if I have the train set, and want to ...

I'd like to build about a dozen palm trees that have some curve or sag to them, not just vertical. The 2 methods I've found are The Baryonyx face-off set uses a dinosaur tail to make a curve in the ...

I am looking for a Stud.io file for the 31120: Medieval Castle, but I am unaware of a place where you can find Stud.io files. Is there such a place?

Can someone please help me to identify this LEGO brick? Here is another view:

I have this bag and I don’t know which set it came from. Mostly blue, brown and white blocks. Some green flowers with little lime green cylinder blocks, too.

Just trying to identify all the metallic colored parts here and the gray one at the top... assuming they are LEGO:

I am looking for instructions similar to those of the 75192 Millennium Falcon, i.e. large-format ring binder instructions. Is there a list of sets that have these? Or a database from which this ...

My son needs this part and I'm unable to find its part number. Can anyone identify it?

So, it looks like, from searching on Bricklink, there are no red skeleton torsos - only arms and legs. Is that right?

I'm trying to supplement some vines with rigid hoses. I'd like to attach some fruit and other things to them. I have Hose, Soft 3mm D. 5L / 4.0cm. But it doesn't grip very well with the hollow studs ...

Does anyone know what sets these packs of mega bloks are from? These were mixed in with Lego that I brought.

Hoping for help in identifying which set these bags have come from. These were given to my son but we are missing bag 1 and instructions. Pictures of front and back of packets:

I'm working on an app to identify LEGO elements from a photo using machine learning. I've completed a crude prototype that only supports the most common 10 elements. I'm currently rendering images for ...

The year listed is 2011, but I really have no other information as these were salvaged from a thrift store.

I bought what I thought was a box of Lego bricks that contained a castle. About half the castle pieces were there. This is a picture of some of the major and larger pieces. I'm wondering if someone ...

My daughter saw some beautiful and interesting tensegrity (tensional integrity) LEGO models on the Internet: and she would like to get one for her birthday. We've got a few Harry Potter LEGO sets at ...

Do the Pentagonal Power Shields have 2 anti-studs on the back. Would they attach more firmly to a LegoBrick, Modified 1 x 1 x 1 2/3 with Studs on 1 Side then a basic headlight brick?

I found this bag and I'm not sure what set it goes to.

Ok, since my daughter has gotten into LEGO extensively lately, and I've pulled out all the bins that I got good deals on from prior years (like back in 2018/2019, I found one other (hopefully last) ...

Oddly enough it has no part count on the box whatsoever and I bought it from a Italian seller on Bricklink. It was quite expensive. I doubt this is a counterfeit. But you can't be to sure. Why is ...