Setobrick

LEGO part 3941: Brick Round 2 x 2 with Axle Hole

Bricks Round and Cones48 colours2,906 sets

LEGO part LEGO part 3941: Brick Round 2 x 2 with Axle Hole

Specifications

Reference3941
CategoryBricks Round and Cones
MaterialABS plastic
Colours48
Sets2,906
Listed pieces15,026
First appearance1995
Latest appearance2026
Element (White)6601920 · 614351
Most common colourWhite
Main themesStar Wars, Friends, City
SetopediaData: Rebrickable
Spec sheet updated on 2026-09-29

LEGO part 3941, Brick Round 2 x 2 with Axle Hole, belongs to the Bricks Round and Cones category. It exists in 48 colours and appears in 2,906 sets of our database, from 1995 to 2026, for a total of 15,026 listed pieces. Its most common colour is White.

Number 3941 identifies the shape and is moulded under the part. Each colour also has its own element ID, the one Pick a Brick uses: in white, it is 6601920.

Part 3941 through the years

The oldest set in our database that contains part 3941 is 6195 Neptune Discovery Lab, released in 1995 in the Aquazone theme. It is still in use: the most recent set featuring it, 11377 The Lord of the Rings: Minas Tirith, dates from 2026.

Its peak year is 2024, with 197 sets containing it. The set with the most copies is 10261 Roller Coaster: 530 copies, against an average of 5.2 per set.

It is spread across several themes, led by Star Wars (9%), Friends (7%) and City (6%). With 2,906 sets, it ranks no. 33 of 2,731 parts in our database and no. 2 of 78 in the Bricks Round and Cones category.

Sets containing part 3941, by period

PeriodSets
1995-1999135
2000-2009452
2010-20191,099
2020-20261,220

Colours of part 3941

5 colours appear in only one set: trans-purple (80033 Evil Macaque's Mech), dark green (31015 Emerald Express), yellowish green (11506 Rocking Plants), magenta (5960 The Mermaid Castle) and medium blue (11217 Brick-Built Bluey Family). 11 of its 48 colours are transparent.

Colour (element ID)SetsPiecesExample sets
White6601920 · 6143514642,220103166035075331
Black614376 · 6143264171,511103054217571411
Reddish Brown42111664081,886710431069676435
Light Bluish Gray42115263271,414421287530175192
Red614321 · 394121319940106967525275331
Yellow614324 · 394124242760106961049710274
Dark Bluish Gray4249139230965311179217642631
Trans-Light Blue6514282 · 6273153185434717566041371754
Tan4125220 · 614305178892417037104376435
Trans-Clear6514281 · 6273152134332106987534560282
Trans-Yellow6514285 · 6273155112316110086024610692
Lime4527943 · 4279733111276102746042143217
Blue614373 · 614323110323103161027460351
Orange4141089103281714111071760295
Green4251378 · 423920079218106961028031108
Trans-Neon Green6273157 · 61164969215751594051271712
Dark Purple462217664171106981069610717
Light Gray614302 · 3941025522410123100308480
Trans-Orange6514283 · 627315453102106984211442082
Trans-Neon Orange6273156 · 61164748129706207171271707
Medium Azure622428242133417183113041430
Dark Blue450598539245103057528371741
Trans-Bright Green6549515 · 651428733105602827619176403
Lavender62236003289710431101941702
Bright Light Yellow63018352760110204317941693
Dark Turquoise62905022659603364321771799
Medium Nougat64541672597103427626142704
Trans-Dark Pink6514288 · 62968522484714014169911013
Brown61432520148676945026279
Dark Azure62290711975110194143076248
Bright Green6526752 · 63163191255713624049071508
Bright Pink64987481118432921150640871
Trans-Red6514289 · 6334501936104974212560421
Sand Green6258145 · 415691075021319708403450
Bright Light Blue6522321 · 6212993720411544269742690
Trans-Dark Blue4101741 · 611643717645597619320
Dark Pink6422439 · 4216475717103164329611212
Dark Tan6357806 · 6150222615763937061875150
Light Nougat6357786523432227639342704
Dark Red6483834 · 605278551510241710371814
Sand Blue6492724 · 4169460512103527678043240
Light Aqua6486384 · 6013704412413084329911215
Chrome Silver4143536316932041774176
Trans-Purple637226011080033
Dark Green60557701231015
Yellowish Green66133381211506
Magenta4243924115960
Medium Blue66187261111217

Where to buy part 3941

Setopedia shows no prices: they vary by colour, condition and seller. Amazon links are affiliate links.

Search part 3941 on AmazonPick a Brick (lego.com)BrickLink entryRebrickable entry

Sets that include part 3941

Sets ranked by popularity that include at least one part 3941, in any colour.

Related parts

Often found with part 3941

Parts that share the most sets with part 3941, based on set inventories.

Minifigures using part 3941

Part 3941 is used in 11 catalogued minifigure variants. Characters:

More parts in the Bricks Round and Cones category

All parts in the Bricks Round and Cones category

Frequently asked questions

How many LEGO sets include part 3941?

Part 3941 (Brick Round 2 x 2 with Axle Hole) appears in 2,906 sets listed on Setopedia, from 1995 to 2026, in any colour.

Which LEGO set contains the most copies of part 3941?

Set 10261 Roller Coaster, released in 2018, contains 530 copies, the highest count in our database. On average, a set containing part 3941 has 5.2.

Which colours does LEGO part 3941 come in?

48 colours are listed for part 3941. The most common is White, found in 464 sets.

What is the rarest colour of part 3941?

According to our inventories, it is magenta, found in only 1 set (5960 The Mermaid Castle).

What is the element ID of part 3941 in white?

In white, part 3941 has element ID 6601920 or 614351. Number 3941 is the mould number, the same for every colour.

Is LEGO part 3941 still used in recent sets?

Yes: it appears in sets released in 2026, such as 11377 The Lord of the Rings: Minas Tirith.

Where can I buy LEGO part 3941 individually?

Single parts 3941 can be ordered on Pick a Brick (lego.com) in colours currently produced, or on BrickLink for older colours. The part is also included in the sets listed on this page.