58 votes

What is this light grey LEGO plate with six sides (hexagon)?

Informally, it's known as the Nexogon. Bricklink calls it "Plate, Modified 6 x 6 Hexagonal with Pin Hole". The part number is 27255. It's original use was as a shield in the Nexo Knights line in 2017,...
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  • 34.1k
50 votes

Are there LEGO plates without the word "LEGO" on the studs?

What you are seeing is actually the result of poor lighting, somewhat worn bricks, probably camera app noise reduction, and perhaps image compression, although if you look really closely you can kinda ...
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35 votes
Accepted

Are all of these police minifigs from LEGO?

As pointed out by others, the first three minifigures are genuine LEGO (with the second having perhaps a few custom accessories). The fourth is not a LEGO minifig. It may include some genuine LEGO ...
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  • 34.1k
34 votes

Have I got a mystery croissant lurking in my Lego collection?

It looks like a possible match for these doll accessories. "This listing is for a Barbie coffee shop or bakery accessories. Included are hot chocolate mugs, a coffee to go mug, croissants, ...
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  • 441
32 votes
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What is this piece slightly longer than a 2x2 plate with grooves and a hole?

This looks like a PLATE 2X2 ANGLE, which is broken. There is a rough side shown on the picture.
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  • 7,403
30 votes
Accepted

What's the part number of this LEGO element?

That's a rather old part (50 years, actually) used mainly for tipper buckets in trains or trucks, you can see it in this train for example: Its part ID is 3145.
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  • 20.9k
30 votes
Accepted

What are the thick red cylinders in 80104?

Michael has answered what pieces it is, but you ask what they represent, so I'm going to offer a guess at that: Fireworks.
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30 votes
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A technology building set that is not LEGO Technic, K'NEX, or Meccano. Can you help me with the name?

Based on your description, this sounds like Fischertechnik:
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  • 34.1k
29 votes
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What is this? Is it LEGO? Dark Green, detailed mouldings, roughly trapezoid shaped

That's LEGO piece - 47299 - Bionicle Toa Metru Knee Cover. You can see © sign in LEGO font as well as "47299" part number on the bottom, both of which confirm this is legit item.
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  • 19.9k
29 votes

I don’t know what LEGO piece this is with a large hole going through its center

Technic, Engine Cylinder with Side Slots https://www.bricklink.com/v2/catalog/catalogitem.page?P=2850
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  • 3,221
28 votes
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Stained glass windows on The Throneroom of Cedrica

I see that this popped up on HNQ, so I wanted to expand on shoover's excellent answer with a build showing one way that this could be put together for folks that may not be as familiar with LEGO ...
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  • 34.1k
28 votes
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Need help to identify a piece - green, like a 1x2 plate with 4 angled cubes hanging off at odd angles

That's a Creeper torso (officially 19734 Creature Torso Blocky with Cube Feet). If you're familiar with Minecraft, you'll probably recognize it once you know the context:
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  • 34.1k
27 votes
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What LEGO piece is this arc with ball joint?

That is the Vehicle, Trailer Base 4 x 13. It came in one set, the #378 Tractor from 1972. Found by searching first 4x9 (didn't find it) and then 4x13 (the total length).
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  • 669
26 votes

What LEGO set are these decorated tiles from?

These came from a number of sets, including a handy "Decorated Elements" set that covered most of the printed parts from the mid-90s space theme. However, Recon Robot appears to be the only one that ...
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26 votes
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What piece has one prong on one end and four on the other?

It is called Plant, Tree Palm Top. It used to be green or brown and was a part of the palm trees found in the Pirate kits. It was the part that the leaves joined onto. The four prongs pointed up.
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26 votes
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How old is this brick?

It looks like part of the old 9-Volt motor that was made from 1990 and 2002. The full thing's part number is listed as 2838 which I assume is the mold ID stamped on dark grey base, while 2837 is the ...
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26 votes
Accepted

Is this grid fin piece a standard LEGO brick?

I think that is Part# 30046 : Window 1 x 2 x 2 2/3 Pane Lattice Diamond with Rounded Top
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  • 11.1k
25 votes

Is this grid fin piece a standard LEGO brick?

Looking at the pictures, I think Syberion has correctly identified the part. Just want to cover the moment where you mention part modification may be required. I don't think there is a need for ...
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  • 19.9k
24 votes
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Glasses in the pour technique

You might be thinking they have the normal holed stud on top, which would indeed be a bit smaller. But instead what is done here is that they put the parts upside down, I think. So it's the bottom ...
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  • 1,243
23 votes

What is the name/part number of this 1x1 LEGO brick, used to make "cat eyes"?

Name: Lever Small Base 4592. Bricklink link HERE.
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  • 8,668
23 votes

What set is this piece used for

These are Panel 4 x 4 x 6 Corner Convex Ribbed They were mainly use as decorative pieces on corners in classic space sets. In light grey they came only in one Set: Solar Power Transporter (photo ...
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23 votes

What is this 1998 lego piece for F-22?

It is Electric, Light & Sound 4 x 20 x 5 Insectoid Stinger which was available in 4 sets from Insectoids series. Stickers are custom.
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  • 19.9k
23 votes

Got a weird trans-purple cone part as extra in 71043-1 Hogwarts Castle

It looks like a "short shot" of Minifigure, Utensil Bottle, Erlenmeyer Flask with Trans-Purple Fluid Pattern (pictured below) which is included in the set. I would even say it lacks the ...
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  • 19.9k
23 votes

Is this a LEGO part? rectangular base with sides, and a bar extending from the middle

It's an accessory to the LEGO BIONICLE Bohrok and Bohrok-Kal sets, which can be used to hang the Bohrok sets in the product canister, which doubles as their nest. It attaches to a clip inside the lid ...
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22 votes

Cargo bike brick identity

That's not a single part. According to the instructions shared by the creator of that cargo bike on their twitter account, it's a combination of : 1 Black Plate, Round 1 x 1 1 Black Plate, Modified ...
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21 votes
Accepted

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

This is a "Underwater Scooter". It's a handheld device to propel a diver forward. Similar devices can be seen in the James Bond movie "Thunderball".
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  • 1,188
21 votes
Accepted

Can you identify this bevelled grey 2x1 piece?

It's 99563 LegoMinifig, Utensil Gold Ingot (Bar) in Light Bluish Grey. Originally used for Gold pieces, nowadays regularly found as bricks and other wall decorations, for example on the ground floor ...
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  • 16.5k
21 votes

Can anyone identify this brick?

That's 32177 Technic Beam 1x7 with Fan.
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  • 34.1k
21 votes

What are the brick numbers of the bricks circled in this image?

LEGO items: Technic, Axle 3L with Stud (6587, 13670) Technic, Liftarm Thin 1 x 2 - Axle Holes (41677, 44862) Technic, Liftarm Thin 1 x 6 (32063, 28570) Technic, Steering Arm 6 x 2 with Tow Ball ...
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  • 19.9k
19 votes
Accepted

Is this a real Technic cloak?

this is a Playmobil cape, from the Zorro figure
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  • 11.1k

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