Antenna 1 x 4 with Rounded Top

3957a

Bars, Ladders and Fences

Appears in 907 official sets

Catalog rarity

Common

Used in 907 official sets — a staple element in many builds. Available in 22 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.

Antenna 1 x 4 with Rounded Top (part 3957a) is a Bars, Ladders and Fences used in 907 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: Bars, Ladders and Fences
→ Appears in 907 official sets
→ Scan a photo to identify this part instantly
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Market value

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Color variants

Trans-Neon Orange Light Gray Tan Pink Red Blue Yellow Brown Dark Gray Green Trans-Red Trans-Yellow Salmon Chrome Silver Trans-Clear Trans-Light Blue Trans-Orange Magenta Bright Pink Reddish Brown Dark Bluish Gray Metallic Silver

Related parts (prints, molds, alternates)

[M] 3957b — Antenna 1 x 4 with Flat Top

Sets containing this part

1,183 sets · page 2 of 50