All Questions

I have 4 UCS Star Wars sets: Slave 1, Air-speeder, Tie-fighter, and Sandcrawler. I'm not interested in keeping them anymore. They take up a lot of room and don't do much. I was wondering how to sell ...

I can't seem to find a download for home or education version of EV3 software that has the large white blocks for either macos 10.13 or 10.15 on my imac. Can someone help? I currently have that ...

I have just made some frames (IKEA box frame, white mount board, 70 2x4 white bricks per frame, and super glue) to display some of my minifigure collection: Really pleased with the results (and even ...

I own the LEGO set 6205 and I noticed from another picture on Brickowl and Bricklink the wing design is different. Is there an alternate version or did someone who had the set mix up the pieces and ...

Im looking through my old LEGO sets and discovered this plane and I have no idea which set its from or the details. Could anyone help me out please?

What are the thick red cylinders with handles (not the drumsticks) that two minifigs are holding in set 80104 supposed to represent?

There's a thread here establishing that regular LEGO trains arguably fit onto Duplo track, but have trouble with underbelly clearance. What about the opposite? Will a Duplo train fit onto six-stud ...

I am building the Harley Davidson Fat Boy from Creator Expert (10269) and when installing the chain belt that connects the engine gears to the rear wheel I noticed that it runs quite jolty, with the ...

I saved all my Mindstorms EV3 programs in a pendrive,but now,the the pendrive has broken, so I lost all of my programs. But I have all programs inthe EV3 brick. Does someone know if I can recover my ...

I have recently re-discovered Lego and was looking through my son's old sets. In a box I found this partially assembled "Bug". I don't have the instructions nor the original box so I am unsure what ...

Part 30099 - Brick Arch 1x5x4 Inverted doesn’t seem to fit into the LEGO system. I cannot find a part that fits on the bottom stud and provides continuity to the concave slope of the arch. A tile is ...

I am wondering how many LEGO sets that LEGO has released in total in their 85+ years of business. To clarify I am only looking for sets that use plastic blocks like the ones we have today, not the ...

LEGO Technic crane set #42082. Putting the feet on now, are they supposed to click in somehow? Also, my feet don’t seem to touch the ground. I’m worried I messed up somewhere a long time ago. Help ...

I’m a new collector. I decided to buy the Stranger Things set as a possible investment piece. I assumed the box would come sealed in plastic but it didn’t. Is this normal?

Can someone help me figure out what both of these LEGO part numbers are? The first two pictures are the same brick at different angles to show it's strange design, while the third picture is the ...

I have a program that uses the colour sensor to progress that program. The colours are in a certain order. If the wrong colour is detected, the program stops. I want to restart the program from the ...

On page 2 of the (German version of the) 2020 January-July Lego catalogue, there is a promotional image with various sets or parts thereof1. Catalogue online version. In the lower right corner of ...

Please tell me the name of this piece. I've been looking for it for hours on LDD and have tried searching for it with many names. I know that you use it for cars and it's a very common piece too. ...

I don't know the model #, but it's probably from the early 2000's. Looks like this.

A recent question shows the "monochrome" Steamboat Willie set actually contains about 20 colors. I was expecting fewer, maybe a dozen or so at most. So this got me wondering... By number of distinct ...

I found a thick brick in my set, but couldn't find it on Bricklink by part number. It's look like an Intelligent Brick, but there are no extended pins. Thanks! UPDATE [11.01.2020]: Currently I ...

I was searching Bricklink for info about the marked minifigures, but I can't find anything. I want to know if these minifigures are fake or if these minifigs are in someone set that I can't find.

I've run across something very strange with my color sensor when using multiple sensors and multiple nested loops for a sumobot. I have 4 separate loops continuously monitoring the "optical", "...

I see it in MOCs all the time, and I’ve seen studs connect on half pins in official sets, but what about full pins?

After looking at this question: Can I remotly control the points on PF train tracks? I got the idea of controlling the train track switch handle using a servo motor that will be able to move the ...

I am thinking about buying the Duplo train expansion set 10872 Train Bridge and Tracks for my niece, but her primary Duplo train set is actually a vintage 1983 2700 Freight Train set from her father's ...

I got a random box of Lego! I'm trying to figure out what set these bricks are from:

My son just received the Liebherr R 9800 excavator 42100 Lego set. It would seem the Control+ app that is recommended for it simply won't work. It doesn't even connect to the blocks. What are the ...

Trying to solve problem for which I asked help in Looks like total number of parts and sum of them differs on bricklink I understood I did not have the skills to check contents of a set. I did Web ...

The wheels don’t go round after the first book is finished. Has anyone else had this issue? What did you do to fix it?

I have 2 built 6x16 sets that appear to be Ninjago portraits. Each built on a Light Bluish Gray 6x16 plate with 1x1 colored bricks on top. I suspect they may be Toys R Us builds but i just can't find ...

Gray part will not fit into black pieces labeled 1 and 2. Tried them all, doesn’t fit right. If I put the gray piece in the other end it fits, but that’s not how it’s supposed to go. It’s like the ...

I need some help identify this part number or name. Thanks in advance.

I'm looking for pieces to make a TV transmitting news. I looked on Bricklink "News" sets but only found 2 existed. Does anyone know of any set that contains a news anchor on TV piece or sticker?

For LEGO Classic there are plenty of "build anything" kinds of sets, but is there something like that for Technic? Ideally, I'm imagining a box of the most useful 1000 or so Technic pieces, so that ...

I have a Lego Mindstorms NXT 2.0, which I'm tinkering around with, writing a custom firmware for. I just want to know if repeated flashing could damage the flash memory.

I've recently purchased the 42063 BMW R 1200 GS Adventure. It was assembled and looked complete. I took it apart and calculated total number of parts. It was around 550. Then on link above I've ...

I have a Lego Mindstorms NXT 2.0, which worked well for a couple of years. However, after the last few weeks, it seems to not boot up. I took it apart, and noticed it seems to have a different ...

I'll get straight to the point: When I open my LEGO MINDSTORMS EV3 Home Edition programmer and try to use an ultrasonic sensor, there is no option for it in any blocks. I don't even see any allusion ...

Can anyone help us to identify what this part number is?

For some random reason, I watch some videos on YouTube showing a "Roller Coaster" built using Lego. I never enjoy to follow Lego instruction, and I always prefer to build something my own, mixing any ...

I've found many websites providing a service for custom printing of LEGO tiles : United Bricks Brick Engraver BrickSanity Fab-Bricks Citizen Brick EclipseGrafX Minifig Madness BrickTactical ... I ...

Short of gluing the horn to the purple bow, which fits in the horse’s forehead, is there a LEGO piece that would enable her to connect the horn to the horse?

Can you tell me which part# is this?

What is the tallest LEGO single piece ever? Clarifications It must not necessarily be a purchasable block. By tallest, I mean a piece preferably in its natural standing position, although also the ...

I have some sort of light and sound LEGO brick I obtained in an assortment of various brand's bricks. The piece has three black buttons which flash red lights and play different sounds when there are ...

So I need to build a layer with offset bricks, which I have managed to figure out. However, the corner is a problem. The dark bricks in my pic need to be in that position. How do I fill the gap ...

The 2019 LEGO Employee Gift 4002019 is a holiday-style Star Wars X-Wing Fighter which is a pretty similar build to the current LEGO Star Wars X-Wing Fighter. Are the instructions for this set ...

The 2019 LEGO Employee Gift 4002019 is a holiday-style Star Wars X-Wing Fighter. From what I can tell, this set is based on the current LEGO Star Wars X-Wing Fighter, with some different colored ...

Which is more environment-friendly LEGO bricks or Mega Bloks?