Questions tagged [piece-information]

For questions asking for information about a known LEGO element/brick. Please include the [part-identification] tag (or another appropriate tag) for questions about unknown elements.

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-1 votes
3 answers
81 views

Are there any flat plates with beveled or sharp edges?

I'm currently making a functional minifigure-scaled escalator that ideally move like this. Progress has been made on both the stair slope and staircase design (both respectively pictured below), and ...
7 votes
1 answer
485 views

Compatibility of sports ramps

Are these relatively recent "sport ramps": https://www.bricklink.com/v2/catalog/catalogitem.page?P=75538 compatible with these older "sport ramps" https://www.bricklink.com/v2/...
2 votes
2 answers
190 views

Which basic LEGO blocks exist with studs on top with the same rectangular shapes top and bottom

With the number of top studs for length and width, and heights given as 1/3, 2/3, 1 etc, What varieties are available? 1x1x1/3, 1x8x2/3, 2x2x1, for example. What's the maximum size, length and width ...
20 votes
2 answers
31k 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 ...
2 votes
1 answer
197 views

Anyone identify this gold piece mixed with some vintage Castle, Pirate, etc sets/minifigs? No LEGO imprint, but all other pieces are LEGO

Gold piece next to minifig for size comparison.Interior of part.[]
12 votes
1 answer
2k views

Can anyone identify the set these plastic flags belong to? They are mixed in with several old castle sets

Flexible plastic material Two blue plastic flags (?) with “U” and Two red ones with Bulls.
6 votes
1 answer
421 views

How many styles of element separators has LEGO produced?

I used to use other LEGO elements to separate tightly bound pieces in my collection. My thumb nail and I were quite pleased when I first discovered an actual brick separator LEGO introduced to ease ...
20 votes
2 answers
9k 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 ID numbers printed inside, etc, but I was wondering if anyone knows when these changes happened? ...
8 votes
3 answers
2k views

Recommendation on how to build a "brick presence detector"?

I want to build a model of a complex machine with Lego and Arduino or a Raspberry. The machine model also features several accessories that can be added or removed during operation of the machine ...
4 votes
3 answers
2k views

At what voltage do the c1 and c2 lines run at when controlling a lego servo motor?

related: how to control a servo motor from a raspberry pi The raspberry Pi normally outputs 3.3 V signals from it's pins, however there are logic level converters for interfacing with higher-voltage ...
32 votes
9 answers
8k 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). ...
8 votes
7 answers
6k views

What's the smallest LEGO component, based on its largest dimension?

There's already a question asking what the smallest component is. However, according to its answer, the smallest piece would be the screwdriver. It is pretty small, but its length is over 2 studs, ...
4 votes
1 answer
221 views

Need help to identify a 1x6 support or wall piece

I have looked through pick a brick to find it. I even went searched up the specific set for it but still can't find it.
32 votes
1 answer
40k views

What different types of LEGO train tracks exist?

I would like to purchase some used LEGO train tracks off of ebay. I am not, however, very familiar with the different choices of track systems are out there that I might come across. So I would like ...
7 votes
1 answer
154 views

What's inside a linear actuator?

The two linear actuators that I know, 61927c01 Linear Actuator and 92693c01 Linear Actuator Mini, have a built-in clutch (that makes a clicking sound when feeding the actuator torque when it's fully ...
4 votes
0 answers
84 views

When bricks with bottom holes were released? [duplicate]

I always try to build my sets with bricks from that era. The older ones and their release dates are pretty well known but what about that D variant in the picture with bottom pin holes ie. the modern ...
7 votes
2 answers
659 views

Searching for a part like 48989 but without the pins

I am searching for a part like LEGO 48989, but without the 4 pins. The manufacturer doesn't matter as long as the part is compatible with LEGO bricks. Also, a combination of parts is ok if it has the ...
10 votes
1 answer
713 views

Looking for piece name with 3 small bars, adjoined to each other, and 2 larger circles on the side

I am looking for the name of a piece. I haven't seen this piece before, but it's a perfect match for micro scale Dutch bridges. It's a piece with 3 small bars, adjoined to each other. The bottom bar ...
3 votes
2 answers
697 views

What is inside the LEGO Powered Up L motor?

What's inside the Powered Up L motor (part bb0959c01)? How do its internals compare to the XL motor and the M motor?
8 votes
2 answers
568 views

What is this piece? 4x4 ring with studs, anyone have a clue for part #?

This is simply a ring with 8 studs on it. Anyone know what it is or what set it's from? Can't find it anywhere on BrickLink. No part number visible anywhere on the part. 1x2 tile on the side for extra ...
30 votes
2 answers
3k views

Why aren't LEGO bricks cubic?

The height of the 1x1x1 LEGO brick is 6/5 times its width. Is there any particular reason for these proportions? And especially why not making a cubic brick (it would have made SNOT building easier)?
11 votes
1 answer
353 views

Can someone please identify this 2x2 round dome part with 1 stud for us?

We're trying to identify the middle part in this picture. We would appreciate any help we can get.
0 votes
0 answers
42 views

Help Identifying Bag of Black and Grey Lego pieces from set 11021 [duplicate]

My son got box of Classic Lego (set 11021) that came with extra unmarked bags of Lego pieces. Here is one of the bags, can you help identify which one this is? Thank you!
1 vote
1 answer
99 views

Falcon Shield Attachment

If I want to attach the Falcon shield to a wall, what kind of attachment do I need? I suspect I need a horizontal clip but I'm not sure.
6 votes
0 answers
219 views

What brand is this brick with a logo that looks like an elongated C and a square?

Can anyone tell me about this brick? There is no Lego logo on it. It looks well made and fits perfectly with real Lego bricks.
6 votes
1 answer
220 views

LEGO kit 42082 step 1041 issue

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 ...
14 votes
2 answers
3k views

What are all the different ways that LEGO pieces join together?

Has anyone made a list of all of the different types of connections between LEGO bricks? Obviously there's the stud connection - but there's also the ball and socket joint, the more recent click-...
3 votes
1 answer
2k views

Where is the LEGO logo on the Tartan Batman minifigure’s cowl piece?

I was examining the cowl piece to my latest Batman mini-figure (the Tartan Batman from that came with the Batman movie magazine by Egmont) and I noticed that I don’t seem to be able to find the spot ...
16 votes
1 answer
732 views

Why did LEGO switch the direction of flag elements in 2008?

Having just gotten back into LEGO this year, I noticed that the flags in my new sets are mirrored from all the flags I used to have. On the left is a green flag from 4162 FreeStyle Multibox from 1995, ...
38 votes
16 answers
13k views

What LEGO pieces have "real-world" functionality?

I have noticed that there are a few LEGO pieces that also function in the "real-world." For example, the 10830c01 Magnifying Glass can actually magnify. Another example is the 70001pb01 Compass, ...
9 votes
1 answer
2k views

What is inside the LEGO Powered Up M motor?

What is inside the M motor in the new Powered Up system? How is it different from the older Power Functions motor?
12 votes
1 answer
2k views

What's inside the SPIKE Essential small angular motor?

I'm curious about this motor (68488): This motor looks very small. What is inside this motor? How does it compare to the other Powered Up motors?
4 votes
1 answer
444 views

What are the structural difference between a minifig and a minifig on a keychain?

Are there any differences in the components or construction of keychain minifigs compared with regular minifigs from sets?
47 votes
2 answers
38k 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 ...
0 votes
0 answers
139 views

where on each brick does LEGO put the branding and what do the identification markings on the underside look like?

I was given a mix of bricks which included bricks that have branding on the studs (Lego) as well as some other blocks. I was able to remove the bricks without branding as well as non-Lego bricks; ...
8 votes
3 answers
1k views

Is there a true ball/sphere LEGO piece (or pieces that together form a ball/sphere)?

I recently started experimenting with GBC machines build out of LEGO. Ball bearings are ideal as balls (have a lot of momentum due to their weight), but are also impacting on the LEGO bricks hard ...
16 votes
1 answer
1k views

How much tension can I expect to get out of a LEGO chains before it starts to give away?

Assuming I am using the Technic Chain Links to make a chain, how much force can I expect to be able to get out of the chain before it breaks? Suppose I am using a 16-tooth gear to directly drive a 24-...
11 votes
1 answer
3k views

What bicycle is this? The handlebars and stand are at an unusual angle

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 ...
2 votes
0 answers
98 views

Alternative Colour for Halberds in Lava RoboRider 8510

I recently bought a second-hand lot of RoboRiders, and noticed Lava included two halberds in dark gray instead of black, as listed in the BrickLink inventory. Did this set ever include dark gray ...
1 vote
1 answer
114 views

Are both a Mario and a Luigi required for 2-player mode?

The Luigi Starter Course advertises the ability to "team up for new adventures": Does this 2-player mode strictly require a second Luigi, or would a second Mario also work? What about 2 ...
10 votes
2 answers
463 views

What's the purpose of 46834 & 46835 pieces (two wheels clutched into each other)

There is this strange wheel-like piece consisting of two pieces snapping into each other and offering to insert both axles from both sides, as shown in the first image. What is the purpose of this ...
3 votes
1 answer
644 views

Identify this T-shaped part

Seems to be used for making differential gearboxes, cars, and GBCs.
8 votes
1 answer
2k views

What’s this brick called? Two studs long and has clips on one side

It’s two studs long and has two clips with horizontal openings on one side.
11 votes
1 answer
652 views

Unknown Piece - Looks like a train car

I found this piece in a tub of Lego; it looks like a train car. There is a hinge piece in the middle that tilts 90 degrees. I've looked at BrickLink & Brick owl to no avail. Can anyone help me ...
6 votes
1 answer
783 views

What electronics are inside the SPIKE Prime angular motors?

Is there any information available about the internals of the SPIKE Prime and Robot Inventor angular motors? What Hall-Sensor is used by the SPIKE motors? To be more precise: I'd like to get ...
30 votes
1 answer
6k views

How does the LEGO Super Mario figure know which power up is attached?

The LEGO Super Mario theme includes an intelligent brick that interacts with various other elements present in the sets: There are several Power-up sets available that provide Mario with additional ...
10 votes
1 answer
868 views

What is the part name and use for this small piece shaped like a lever?

Looking for part name and use, stamped and has different numbers on each one I find. Small and shaped like a lever. Same size as antenna piece actually. I feel it is part of a larger piece similar to ...
34 votes
6 answers
13k views

Why does LEGO now use studless technic designs?

It seems to me that sometime between 1998 and 2006 (between the Mindstorms RCX and NXT), LEGO switched from using studded technic bricks (like this:) to studdless beams (like this): In my experience,...
7 votes
2 answers
347 views

Help identifying black slope piece with printed knobs, dials, and gauges

Can anyone please help with identifying the Design ID as well as the Element ID for this piece. It is a legitimate LEGO piece as can be seen by the name on the studs. However there is no information ...
3 votes
0 answers
126 views

Attaching a laptop to a table

I want to give my minifigs a few laptops. Specifically, 62698 "minifigure utensil, laptop"s: I've seen laptops in sets and MOCs, but always either (a) closed, being held in a minifig hand ...

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