Technic Brick 1 x 2 [1 Pin Hole]

3700

Technic Bricks

Appears in 3,158 official sets

Catalog rarity

Common

Used in 3158 official sets — a staple element in many builds. Available in 43 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.

Technic Brick 1 x 2 [1 Pin Hole] (part 3700) is a Technic Bricks used in 3158 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: Technic Bricks
→ Appears in 3,158 official sets
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Market value

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Color variants

White Light Gray Tan Red Blue Yellow Brown Black Dark Gray Green Purple Dark Turquoise Sand Green Sand Blue Trans-Clear Orange Earth Orange Medium Blue Dark Bluish Gray Reddish Brown Light Bluish Gray Dark Red Dark Purple Warm Yellowish Orange

Related parts (prints, molds, alternates)

[M] 3700b — Technic Brick 1 x 2 with Hole Type II

Sets containing this part

4,633 sets · page 131 of 194