Brick Curved 2 x 1 with Inverted Cutout
78666
Bricks Curved
Appears in 366 official sets
Catalog rarity
Common
Used in 366 official sets — a staple element in many builds. Available in 26 catalog colors.
Based on official set inventories in our catalog — not market price or production volume.
Best sets to source this part
Smallest official sets that include this element — useful when you only need one piece, not the whole theme.
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View set →Batman and Jetpack212402-1 · 2024 · 18 parts · Black
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View set →Bane in Prison971337-1 · 2026 · 27 parts · Blue
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View set →Baby Seahorse6614225-1 · 2026 · 36 parts · Bright Light Blue
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View set →Batcopter212502-1 · 2025 · 36 parts · Black
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View set →Cresent Moon6611591-1 · 2026 · 37 parts · Yellow
Brick Curved 2 x 1 with Inverted Cutout (part 78666) is a Bricks Curved used in 366 official LEGO sets. Scan or search to authenticate loose parts and check market value. Open the parent-set list to see which themes and years used this mold — essential when a common shape appears in a rare color or print.
- → Category: Bricks Curved
- → Appears in 366 official sets
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Market value
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Color variants
Sets containing this part
467 sets · page 16 of 20
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Miles Morales40536-1 · 2022 -
Titanic10294-1 · 2021 -
The Temple of Celebrations4002021-1 · 2021 -
The Madrigal House43202-1 · 2021 -
Fender Stratocaster21329-1 · 2021 -
Lunar New Year Ice Festival80109-1 · 2021