17
votes
Accepted
The most amount of pieces [ever] per set
The largest LEGO set by piece count is :
31203: World Map (2021)
Piece count : 11695
Second:
10294: RMS Titanic
Piece count : 9090
Followed by :
10276-1: Colosseum (2020)
Piece count : 9035
Largest ...
16
votes
Accepted
What's the smallest LEGO component, based on its largest dimension?
This tiny tiara piece is smaller than the 1x1 round plate on all sides (middle piece in my image below).
8
votes
Accepted
What are the longest 1×x and 2×x plates and tiles ever released?
I think it's going to be the 1x12 (#60479) and 2x16 (#4282) for regular Lego plates. The next longest plain-ish plate is probably the 6x28 (#5301, 5309, 4093), but these are thicker than typical ...
6
votes
What is the smallest LEGO component?
The treasure coin (70501):
I think its one of if not the only element that doesn't connect to any other element.
6
votes
Accepted
What is the longest 1×x brick ever released?
If you mean specifically Lego bricks, I'm pretty sure the 1x16 was/is the longest one made. Outside of the 1x? sized bricks, the longest plain shaped brick that I know of is part #30072 or #47122 at ...
5
votes
What's the smallest LEGO component, based on its largest dimension?
You'll have to ask my vacuum cleaner, It might have escaped me ;).
It depends on what qualifies as "Lego component", though. Made by Lego for Lego would be one of the obvious restrictions, I assume. ...
5
votes
What are the longest 1×x and 2×x plates and tiles ever released?
There is news (postdating the accepted answer): There are now tiles 2x6 (#69729) from LEGO available, e.g., in some Nintendo Super Mario sets.
5
votes
What is the longest 1×x brick ever released?
This technic rack is 1x20 and is exactly 1 wide, no hanging out bits
https://www.bricklink.com/v2/catalog/catalogitem.page?P=2428#T=C
5
votes
What is the longest 1×x brick ever released?
You didn't say anything about modified 1 x bricks.
This is Item 47978 and it is actually listed as a 2x24 brick, because of the added bit in the middle.
4
votes
Accepted
Ain't no mountain high enough... - what is the tallest LEGO piece?
No restrictions on the materials.
Well then, probably a component to the old wooden furniture LEGO used to produce, like these:
5003483 - 3-Seat Playtable Creative Play Station Center Pack Duplo
Or ...
2
votes
What is the largest Lego kit commercially available?
The set with the most pieces as of 2018 is the #75192 Millennium Falcon with 7541 pieces.
It measures over 8” (21cm) high, 33” (84cm) long and 22” (56cm) wide.
Community wiki
1
vote
What's the smallest LEGO component, based on its largest dimension?
This would be a comment but for the need for pictures.
The Friends bow was listed as a possible contender, but it's a fair bit bigger than the tiara (which I don't have to show them side-by-side).
...
1
vote
What's the smallest LEGO component, based on its largest dimension?
I'm thinking this trigger component for stud-blasters may be even smaller than the tiara. I don't have a tiara though, so I can't check :( Here is the piece
1
vote
What is the smallest LEGO component?
If we're going for the lego part with the smallest cross-section, I'll nominate x77ac15 "String, Cord Thin 15cm":
I owned the 75cm variant, as part of set 6361 (now lost and replaced, due ...
1
vote
What is the smallest LEGO component?
The smallest part in terms of fitting through holes in a mesh bag or sorting tray would be Technic Flex Cable, the shortest being 5L. This could fit through a hole of diameter 1.6mm (of slightly ...
Only top scored, non community-wiki answers of a minimum length are eligible