← The LEGO Parts Guide › DUPLO › Curved

DUPLO 2×2×2 Curved Dbl. (Part 3664)

1976-2025CURRENT

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:
3664 DUPLO BRICK 2X2X2, R=15
Bricklink:
3664 Duplo, Brick 2 x 2 x 2 Slope Curved Double
Rebrickable:
3664 Duplo Brick 2 x 2 x 2 Curved Top
Brickset:
3664 DUPLO BRICK 2X2X2, R=15
LDraw:
3664 Duplo Brick 2 x 2 x 2 with Curved Top
 CURRENTALL YEARS
OVERALL RANK
+114
2090
1387
# PIECES
6(RANK: 2303)
105(RANK: 1671)
# SETS
5(RANK: 2133)
58(RANK: 1512)
# COLORS
4(RANK: 1391)
11(RANK: 979)

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.

DUPLO 2×2×2
Curved Dbl.
3664
.LBX

New Label! Not included in legacy LEGO Brick Labels collection.

DUPLO 2×2×2
Curved Dbl.
3664
.LBX

Small QR codes are hard to scan with some devices.

Date Added: 2024-03-17 21:30:29

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