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Questions tagged [part-identification]

The part-identification tag is used for questions regarding what kit a particular block is from, or what its purpose is.

38
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2answers
3k views

What is this light grey LEGO plate with six sides?

I've been unable to find this specific piece's name, just for the reason that it is a very unorthodox piece.
31
votes
3answers
5k views

Are there LEGO plates without the word “LEGO” on the studs?

I came across this image of the "LEGO Stack Overflow Hat" which is a hat made out of LEGO. The individual who made the hat asserted, "it's 100% LEGO," but if you look closely at the hat, you'll see ...
31
votes
1answer
11k views

How do I identify a Lego part?

Over the vast years of collecting bricks of various sizes and sets, I find that during my free builds I run low on a specific type of brick. How can I go about identifying what the brick is named and ...
26
votes
2answers
23k views

How are LEGO bricks categorized?

What are the names and categories of LEGO bricks? Is there a consistent naming scheme? Does Lego have an official name or identification for different pieces?
23
votes
3answers
841 views

What piece is this ARC-170 Starfighter cockpit?

I got these with the ARC-170 LEGO Starfighter (archived): I'd like to get more if possible. They are a part of the cockpit.
20
votes
2answers
4k views

What is the name/number of this LEGO brick, used to make “cat eyes”?

Could anyone please tell me the name/number of the LEGO component used for the cat's eyes?
19
votes
2answers
1k views

Minifig rotatable legs on a stick - what is this?

What kind of piece is this? Emboss says "(c)2003 The LEGO Group" and there is a 4303 number below. I browsed Peeron a little but didn't find anything similar. There are two red handles, one rotates ...
19
votes
1answer
4k views

What LEGO set are these decorated tiles from?

I have a box of LEGO from when my husband was younger and I have been going through and putting them in their sets for my son. I have now run out of the instruction books and still have some sets left....
17
votes
2answers
3k views

What are the arched things above a wheel called?

I have a bunch of second hand bricks and some are "wheel wells" for the lack of better words. I would like to find out how I use them for example at bricklink, but then I need to find the name for ...
16
votes
1answer
2k views

What is this piece slightly longer than a 2x2 plate with grooves and a hole?

Once again, I need the collective wisdom of this group to identify a mystery LEGO element! I did a search for "2x2"and went through scores of Bricklink pages, but I couldn't find this particular ...
16
votes
2answers
981 views

What is the name of the Lego product that snaps together with knobs?

I remember owning a very strange Lego set, but have forgotten the name. The pieces were similar to Technic parts, but different. They were green rounded frames and connected using purple squares with ...
16
votes
2answers
6k views

How to tell the different ages of pieces

I know that LEGO bricks have changed over the years, with regards to moulding pip locations, element i.d. numbers printed inside etc, but I was wondering if anyone knows when these changes happened? ...
16
votes
1answer
938 views

What LEGO clone brand are these?

I think this was a present in the mid-late 80s. Very sophisticated building blocks for top-view apartment-room design. They also had furniture and appliances. Can anyone tell me the brand etc?
15
votes
2answers
4k views

What is this Lego piece - Yellow with handles and an octagonal section?

It clearly says Lego on it, but I have no idea what it is. The only number inside is 4-01.
14
votes
1answer
712 views

Is this element some kind of Technic connector?

I am thoroughly confused about an element I have come across: I have never seen a piece quite like this. It's unlike any Technic connector I've seen, so I doubt if that is what it's for. The two ...
14
votes
1answer
987 views

What are these Technic “Zapfen” (“stoppers”) called in English?

What are these pieces called in English? Google translator doesn't help in this case...
14
votes
1answer
2k views

Can you identify this bevelled grey 2x1 piece?

I found this incredible MOC of the Ghost In The Shell robot and found a piece I have never seen before. Is it a LEGO piece and, if so, can you help me identify it? Link to the image source: https://...
14
votes
1answer
586 views

What's the thing between the pant legs?

What is the piece that holds the pant legs together called? Is there an "official1" name? Or is there just a commonly agreed on term? 1Official meaning something mentioned, even in passing, by Lego ...
13
votes
6answers
6k views

What is piece 4211642 from 10179 - UCE Millenium Falcon?

I'm working on making sure I have all necessary pieces for 10179: Ultimate Collector's Edition Millenium Falcon (a painstaking process, to say the least). I received the set not entirely complete, ...
13
votes
1answer
626 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 ...
12
votes
2answers
479 views

General guidelines to identify real LEGO pieces from fake or copy?

I see a lot of questions here about if a certain piece is really LEGO or not and this made me wonder if there is any guideline to follow to identify real LEGO piece from the duplicate or fake one? I ...
11
votes
4answers
878 views

Piece Identification

I have these 4 white pieces from a large lot of pieces I purchased. Any idea what set they may be from? Most of the other sets have been Batman, Superman or super heros.
11
votes
1answer
640 views

Part identification: 40t gear from The LEGO Movie

While watching clip of the LEGO Movie, I found a strange part: Slightly earlier in the video, its part number is shown as 3649. But it doesn't match the 40t gear I know nor the pictures on bricklink....
11
votes
1answer
2k views

What is this black brick with red tubes inside?

In an old plastic bag with heterogeneous Lego bricks, I found three or four like this. I can't recognise them: does anybody know what they are? In which set(s) were they used? What for? A few more ...
11
votes
1answer
422 views

What part is this grey keyhole shape and what set(s) is it from?

I've recently found this grey keyhole-shaped piece - there are a fair number of them that stack together to form a circular staircase. There is what looks like a part number on the bottom but it is ...
11
votes
1answer
148 views

Can someone please identify this round dome part for us?

We're trying to identify the middle part in this picture. We would appreciate any help we can get.
11
votes
1answer
583 views

Please help identify this 1980's, very odd, Non-Lego brick!

I have one more mystery brick to share, and it is a strange one. This brick is FIVE studs long, and the width is comparable to a regular 2x4 Lego brick. The inner tubes are also comparable, but ...
10
votes
3answers
898 views

Are those bowls genuine LEGO pieces?

I've been sieving through my video collection and came across a video from 2011. It's part of a series of Ninjago videos giving you tips on fun things you could do with the Spinners. At the end of the ...
10
votes
2answers
398 views

Identifying Parts Used For The Escape Hatch of Sariel's Tiger XL Model

I am working on a similar model of Sariel's Tiger XL in prep for my own designs of a few other German WW2 tanks, and need some help identifying a part or two. Does anyone know what are the two parts ...
10
votes
1answer
548 views

What element is this a piece of, and how can I repair it?

Yesterday, as I was putting away some Lego, I saw the following obviously broken piece. I couldn't figure out what element this was a piece of, so I was all ready to ask it here, when I came across ...
10
votes
1answer
847 views

Is this skateboard piece LEGO?

I bought some second-hand Lego and it's a total mish-mash of parts. There was a small quantity of Mega-Bloks in it, but those parts always seem easy to identify. However, I'm stumped about this piece ...
10
votes
1answer
287 views

What is the name of the piece that is often used to switch gears?

I have been trying to find this part on BrickLink and have searched every Technic category. I have come up empty. Could someone provide the name of this part so that I can find it on BrickLink?
9
votes
4answers
4k views

Can you identify these (possibly) LEGO horses?

We got these old LEGO-compatible horses from the LEGO collection that used to belong to my wife's brothers (which means they are probably 20-30 years old). I'm wondering if they are genuine LEGO ...
9
votes
1answer
752 views

What is this yellow hinge piece named?

Recently, I've been flipping through a scan of the March 1995 edition of the LEGO Mania Magazine. Something in the corner of page 11 caught my eye: This is the 5th step of the "Flip & Build" ...
9
votes
2answers
661 views

What set is this brown (wall?) element from?

While sorting out some old Lego finds, I stumbled across this piece: I have absolutely no idea what this element could be for other than some kind of wall part, and even then I have never seen ...
9
votes
1answer
386 views

How to use this 5 and a half width windshield?

I recently went to Legoland in the Boston area and found the following windshield brick in the free build section. Ignore my airplane build of questionable quality. What puzzled me was the width of ...
9
votes
1answer
414 views

Are these pieces LEGO?

A friend encountered two pieces of plastic in a bulk lot of LEGO she bought and was wandering if they were actually LEGO, a clone/custom brand or something else entirely... She sent the following ...
9
votes
1answer
411 views

What are the names for these two pieces of a car chassis and a piece for above the wheels?

I have the following pieces but cannot find their names nor precise usage on BrickLink or elsewhere The black one has a wheel well on each side - sorry for the poor image quality. Both the red and ...
9
votes
1answer
251 views

Where can I find a 2x2 hinge on Bricklink?

In this picture "The neglect of duty" by Je hyung Lee, he uses four 2x2 hinges in the roof section I can't find on Bricklink. Does anybody have an idea what set this comes out and possibly a ...
9
votes
1answer
261 views

Dichotomous key for identifying / discovering LEGO pieces?

Is there a dichotomous key available for looking up LEGO pieces by progressively answering information about their characteristics? It doesn't necessarily need to fit the strict definition of a ...
8
votes
4answers
602 views

Help identify mystery piece and set it could go to

More mystery parts from the bags of LEGO pieces we bought. I can't find a LEGO symbol on it. Is it a LEGO part or some other brand?
8
votes
4answers
1k views

Are these trees LEGO parts?

I've come across some trees from some bulk purchases I've made, and I can not determine if these are LEGO or "compatible" parts. Any ideas? The tree on the left is an official tree but the one in the ...
8
votes
1answer
1k views

Is this antenna a LEGO piece?

I came across this piece while sorting: It appears to be similar to 2569, but it's clearly a different part. 2569 doesn't have the ridges and has a spherical tip rather than the cylindrical one on ...
8
votes
1answer
208 views

What are these strange black disc LEGO pieces?

What are these discs? Ammo maybe or ice hockey pucks? I did not find any id numbers.
8
votes
1answer
333 views

Help in identifying elements used on LEGO Batman movie's Daleks

I've been working on making a replica of the Dalek from LEGO Batman. I've worked my way through this video tutorial and the author identifies some differences between their (awesome) effort and the ...
8
votes
1answer
1k views

LEGO plate with square holes?

I have some white plates with square holes on the underside. I'd almost think they were some imitation brand if they didn't have LEGO stamped on the studs. Can anyone tell me the history of when ...
8
votes
1answer
182 views

Can anyone identify what kind of block these are? I have had no luck with Google.

They all link together. I added a normal lego to compare size.
8
votes
1answer
153 views

Duplo Locomotive: What is this inner part used for?

Background I was forced to completely disassemble a duplo locomotive. My son played with it in a sand box and, guess what, it was not working anymore. I used a small brush to clean everything single ...
7
votes
2answers
1k views

What is this heavy red LEGO piece with no obvious connectors? [duplicate]

I got a bulk box of LEGO on eBay and this was in it. It has the LEGO logo at either end but the pegs at the bottom don’t connect to anything. It’s heavy, like a battery, but no connectors and it doesn’...
7
votes
1answer
345 views

Bag Identification

I have a random bag #3 from an unknown set. Bag has normal 135149 number and 2011 on it. The pieces are all light gray, dark gray, black and green!?! any ideas on what set it might be?