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Questions tagged [piece-information]

Questions asking for information about a known LEGO element/brick. Include the [Identification] tag for questions about unknown elements.

55
votes
4answers
113k views

What are the dimensions of a LEGO brick?

What are the real world dimensions of bricks? (starting with 1x1 brick) Plates? Studs? Does LEGO think of this in metric or imperial units or something else?
30
votes
2answers
6k views

What is an Erling brick?

I have seen people refer to the "Erling brick" or "headlight brick" on LEGO forums. What kind of brick are they talking about?
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 ...
19
votes
1answer
553 views

Why do some sets contain parts of an unrelated colour that are hidden on the final model?

With recent and current sets, I noticed that some contain parts of a totally different colour than the rest of the set. An example is 8200-1: Radiator Springs Lightning McQueen, which contains a blue ...
12
votes
1answer
1k views

Quick way to inventory parts

I have a rather large collection of LEGO elements that are not sorted in any way, and I'd like to keep track of them. There are a few other posts about ways to keep track of elements, and I've looked ...
16
votes
1answer
5k views

What does imprinted information inside bricks mean?

I just randomly checked the imprinted information inside some of the bricks in my Lego sets and found that it varied. I found several different types of information: Most pieces have Lego copyright ...
13
votes
5answers
3k views

Are companies producing custom molded LEGO pieces legally entitled to do so?

We have seen (or I have seen, given I am a member of a few popular BIONICLE fan sites) an uproar from custom molding companies -- that is, companies that create their own LEGO pieces. My question is ...
7
votes
2answers
738 views

What are LEGO rubber bands made of?

I have noticed that LEGO rubber bands (along with just about everything else LEGO) are fantastically durable. They last ages without getting crusty and dying like most commonly available rubber bands....
30
votes
3answers
7k views

What is inside the “weight element” brick?

I own a few bricks that contain a weight inside of them. 52g according to Lego. What exactly is inside of these bricks that makes them heavy?
14
votes
3answers
675 views

How to find out if an element is out of production

Is there a way to know if Lego has officially stopped making a certain Lego element? As an example, from the 580 Lego set, I haven't seen this conveyor belt (along with those wheels and the "Legoland"...
6
votes
1answer
595 views

What is this upside down roof peak or boat hull?

Here's another mystery piece from my collection. I'm not 100% sure it's genuine LEGO, but I would love to know whether it is, and if so, what part. It attaches to the bottom of a 2x8 brick securely. ...
23
votes
2answers
2k views

Why are LEGO slope bricks textured?

Why is the slope part of bricks textured instead of the usual flat & glossy edge? Are there any non-textured forms of these bricks?
30
votes
5answers
13k views

What is the largest single LEGO piece?

What is the largest single LEGO piece ever produced? This does not include LEGO affiliates like Duplo. Clarifications It must be a purchasable block. By largest, I mean largest by Volume/Weight of ...
29
votes
6answers
5k views

What is the smallest LEGO component?

When I purchase bulk LEGO bricks, one of the first things I do is to tip the whole lot into a mesh bag and give them a good soak in the bath (of course, I remove all the electrical bits etc. first). ...
15
votes
2answers
19k views

What are the exact dimensions of a DUPLO brick?

The dimensions of LEGO brick are documented well, but what about DUPLO bricks? If have only found the general statements that DUPLO is twice as large as LEGO but no exact numbers. What about the ...
10
votes
1answer
4k views

How many hours of travel does it take to wear out LEGO monorail tires?

I've seen some pretty impressive LEGO tire driven/cushioned monorail displays that put miles of wear on the track and the train cars that ride on it. I'm hoping a monorail expert can tell me (about) ...
9
votes
3answers
2k views

What is the purpose of this plate with door rail?

I'm looking at the this piece: Is this piece some kind of a track on which you can build stuff that slides? I see it in sets as a decorative piece from time to time. What does "door rail" even refer ...
3
votes
1answer
156 views

Can someone identify this brick?

I'm looking for a kind of brick, the brand or the model, which has this specifications: The top has studs. The bottom doesn't have tubes. However, the bottom has support walls in the middle. Here is ...
20
votes
3answers
2k views

What causes these 'bite marks' that appear consistently on new bricks?

I purchased a set (second hand) which has the following defects on the 75°-sloped, inverted 2x1x3 blocks: I assumed they were teeth-marks and asked the seller for replacements, and he found and ...
17
votes
3answers
5k views

Ø in LEGO part names

Many LEGO part names use a Ø character in the name, for example, Armor For Hand W/Ø 3.2 Shaft (28803) or Beam A 4M Ball/Cup Ø10.2 (90611). Can anyone explain what the Ø means?
13
votes
1answer
1k views

Why does the Erling brick have a ridge below its outward facing stud?

Why does the Erling brick (#4070) have a ridge below its outward facing stud? Whereas the more versatile and less common #87087 does not? The #87087 piece also has a better use in SNOT usage, as it ...
10
votes
2answers
3k views

How does LEGO handle the breakage of Hero Factory sockets?

My son has a slowly growing collection of Hero Factory figures, and they have accumulated a consistent problem: socket connector cracking. The tips of the angular part of the limb which connects to a ...
9
votes
1answer
348 views

What is the Travis Brick?

This question uses the term "Travis Brick", but I've never heard it before. What is it, and where does the term come from?
7
votes
2answers
552 views

Substitutions for vintage hinges

I've recently gotten back into LEGO and I'm trying to restore old space sets (late 80's era) by buying parts on Bricklink. I've noticed that some of the hinge pieces are extremely expensive (e.g. ...
6
votes
1answer
1k views

What is the function of Duplo part# 38507 RAIL ACCESSORY, NO. 4

Can someone explain to me what 38507: RAIL ACCESSORY, NO. 4 (#6225519) is for? I've got this in the new Duplo Train accessory #10882 and can't figure out what it does :S
6
votes
3answers
260 views

What are the differences between the two available pizza elements?

In the "Buy pieces" section of the Lego website, I looked up the pizza element. It turns out there are actually two of them! Element 6102555 costs $0.41/piece and 81867 costs $0.37/piece, but they ...
6
votes
1answer
137 views

What came first? Print or sticker?

Recently I learned that there seems to be no strategy in the LEGO design about when to use stickers and when to use prints in a given set. My question is what LEGO used first to decorate bricks: ...
4
votes
2answers
569 views

What is the difference between these two Technic half bushings?

While randomly browsing some LEGO sites, I came across a weird (to me anyway) looking bushing. Its part 4265c. Below is one of the images describing it and the left one I recognize, but the right one ...
4
votes
1answer
1k views

When and why were pieces 3651 and 3652 discontinued?

Bricklink has piece 3651 as Axle and Pin Connector, while piece 3652 is Engine Piston Square 2x2. You could attach them to each other to form a piston. Service pack 5260, Connecting Rods and Stop ...
3
votes
2answers
289 views

Obtaining LEGO blocks

In the olden days, it was possible to go to the hobby store and get a box of specific capability. Now adays, I basically see lego blocks sold as part of "action" sets. Question: Is it still ...