Brick Round 2 x 2 x 1 2/3 Dome Top, Hollow Stud

30151b

Bricks Round and Cones

Appears in 181 official sets

Catalog rarity

Common

Used in 181 official sets — a staple element in many builds. Available in 5 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.

Brick Round 2 x 2 x 1 2/3 Dome Top, Hollow Stud (part 30151b) is a Bricks Round and Cones used in 181 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 Round and Cones
→ Appears in 181 official sets
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Market value

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