← The LEGO Parts Guide › Curve › Curved Brick

2×2 Round Brick (Part 3941)

1979-2025CURRENT

Custom LEGO part image © 2025 Tom Alphin / Brick Architect.

External Links

LEGO parts are described differently on other websites and may use different part numbers.

LEGO Pick a Brick:
39223 BRICK Ø16 W. CROSS
6143 BRICK Ø16 W. CROSS
Bricklink:
3941 Brick, Round 2 x 2 with Axle Hole
Rebrickable:
3941 Brick Round 2 x 2 with Axle Hole
Brickset:
39223 BRICK Ø16 W. CROSS
6116 BRICK 2X2 ROUND II
6143 BRICK Ø16 W. CROSS
LDraw:
3941 Brick 2 x 2 Round without Reinforcement
 CURRENTALL YEARS
OVERALL RANK
-5
51
40
# PIECES
4456(RANK: 71)
15359(RANK: 51)
# SETS
880(RANK: 52)
3037(RANK: 38)
# COLORS
39(RANK: 34)
47(RANK: 42)

Ranking based on buying one copy of every LEGO set, counting the number of sets containing each part, then sorting by part and color.

Overall Rank is a weighted score combining the number of parts, sets, and colors produced.

Current ranking based on sets released between 2021-2025.

Printable LEGO Brick Label

Requires a compatible Brother Label Printer — learn more at brickarchitect.com/labels.

2×2
Round
3941
.LBX

Included in legacy LEGO Brick Labels collection.

2×2
Round
3941
.LBX

Small QR codes are hard to scan with some devices.

Date Added: 2024-02-21 12:00:00

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This guide uses external data from Rebrickable, BrickLink, Brickset, and LDraw.