Setobrick

LEGO part 3937: Hinge Brick 1 x 2 Base

Hinges, Arms and Turntables23 colours1,778 sets

LEGO part LEGO part 3937: Hinge Brick 1 x 2 Base

Specifications

Reference3937
CategoryHinges, Arms and Turntables
MaterialABS plastic
Colours23
Sets1,778
Listed pieces5,283
First appearance1995
Latest appearance2026
Element (Black)393726
Most common colourBlack
Main themesStar Wars, City, Friends
SetopediaData: Rebrickable
Spec sheet updated on 2026-09-29

LEGO part 3937, Hinge Brick 1 x 2 Base, belongs to the Hinges, Arms and Turntables category. It exists in 23 colours and appears in 1,778 sets of our database, from 1995 to 2026, for a total of 5,283 listed pieces. Its most common colour is Black.

Number 3937 identifies the shape and is moulded under the part. Each colour also has its own element ID, the one Pick a Brick uses: in black, it is 393726.

Part 3937 through the years

The oldest set in our database that contains part 3937 is 6195 Neptune Discovery Lab, released in 1995 in the Aquazone theme. It is still in use: the most recent set featuring it, 11377 The Lord of the Rings: Minas Tirith, dates from 2026.

Its peak year is 2026, with 132 sets containing it. The set with the most copies is 10307 Eiffel Tower: 44 copies, against an average of 3 per set.

It is spread across several themes, led by Star Wars (13%), City (5%) and Friends (5%). With 1,778 sets, it is the most widespread part in the Hinges, Arms and Turntables category and ranks no. 84 of 2,731 parts in our database.

Sets containing part 3937, by period

PeriodSets
1995-1999131
2000-2009332
2010-2019572
2020-2026743

Colours of part 3937

6 colours appear in only one set: medium azure (21171 The Horse Stable), lime (4097 Mini Robots), dark orange (76956 T. rex Breakout), orange (5858 The Golden Palace, Blue Box), dark red (7113 Tusken Raider Encounter), …

Colour (element ID)SetsPiecesExample sets
Black3937265411,295764357534776909
Light Bluish Gray4211469348875753377534710316
Dark Bluish Gray4211066304889103071030075192
White6619287 · 393701231578213257175675105
Red393721130361311099217610304
Reddish Brown6186045 · 454123498316103167639821318
Blue39372390196752801027471753
Yellow39372485164103007698971395
Light Gray3937026015810123100304709
Tan6174919 · 454239950153710434321710279
Medium Nougat616764250120103057694831120
Sand Green6223234 · 42866492268103177174110290
Green6170765 · 45412321934761757617841432
Dark Gray4112234 · 3937271842609871717141
Bright Light Blue638307736102987140921350
Reddish Orange66125072141138611385
Dark Azure660991425400004872162
Medium Azure63479871221171
Lime4183135124097
Dark Orange63969241276956
Orange4184010115858
Dark Red4162583117113
Dark Pink4217281115942

Where to buy part 3937

Setopedia shows no prices: they vary by colour, condition and seller. Amazon links are affiliate links.

Sets that include part 3937

Sets ranked by popularity that include at least one part 3937, in any colour.

Frequently asked questions

How many LEGO sets include part 3937?

Part 3937 (Hinge Brick 1 x 2 Base) appears in 1,778 sets listed on Setopedia, from 1995 to 2026, in any colour.

Which LEGO set contains the most copies of part 3937?

Set 10307 Eiffel Tower, released in 2022, contains 44 copies, the highest count in our database. On average, a set containing part 3937 has 3.

Which colours does LEGO part 3937 come in?

23 colours are listed for part 3937. The most common is Black, found in 541 sets.

What is the rarest colour of part 3937?

According to our inventories, it is orange, found in only 1 set (5858 The Golden Palace, Blue Box).

What is the element ID of part 3937 in black?

In black, part 3937 has element ID 393726. Number 3937 is the mould number, the same for every colour.

Is LEGO part 3937 still used in recent sets?

Yes: it appears in sets released in 2026, such as 11377 The Lord of the Rings: Minas Tirith.

Where can I buy LEGO part 3937 individually?

Single parts 3937 can be ordered on Pick a Brick (lego.com) in colours currently produced, or on BrickLink for older colours. The part is also included in the sets listed on this page.