Setobrick

LEGO part 3939: Brick Sloped 33° 3 x 6

Bricks Sloped12 colours23 sets

LEGO part LEGO part 3939: Brick Sloped 33° 3 x 6

Specifications

Reference3939
CategoryBricks Sloped
MaterialABS plastic
Colours12
Sets23
Listed pieces59
First appearance1996
Latest appearance2006
Element (White)4261622 · 620801
Most common colourWhite
Main themesTown, Star Wars, City
SetopediaData: Rebrickable
Spec sheet updated on 2026-09-29

LEGO part 3939, Brick Sloped 33° 3 x 6, belongs to the Bricks Sloped category. It exists in 12 colours and appears in 23 sets of our database, from 1996 to 2006, for a total of 59 listed pieces. Its most common colour is White.

Number 3939 identifies the shape and is moulded under the part. Each colour also has its own element ID, the one Pick a Brick uses: in white, it is 4261622.

Part 3939 through the years

The oldest set in our database that contains part 3939 is 4022 C26 Sea Cutter, released in 1996 in the Boat theme. No set in our database uses it after 2006, the year of 7783 The Batcave: The Penguin and Mr. Freeze's Invasion. To get it today, look for older sets or buy it second-hand.

Its peak year is 1999, with 5 sets containing it. The set with the most copies is 10027 Train Engine Shed: 16 copies, against an average of 2.6 per set.

It is spread across several themes, led by Town (26%), Star Wars (22%) and City (13%). With 23 sets, it ranks no. 2,514 of 2,731 parts in our database and no. 99 of 105 in the Bricks Sloped category.

Sets containing part 3939, by period

PeriodSets
19962
19970
19982
19995
20001
20010
20021
20034
20042
20053
20063

Colours of part 3939

7 colours appear in only one set: sand green (3431 Streetball 2 vs 2), dark blue (4746 Mobile Command Center), trans-dark blue (6479 Emergency Response Center), light gray (6740 Xtreme Tower), dark gray (10129 Rebel Snowspeeder), … 5 of its 12 colours are transparent.

Colour (element ID)SetsPiecesExample sets
White4261622 · 62080167725972375563
Trans-Light Blue393942512789240224012
Trans-Brown41730564221002777837899
Trans-Clear4190513 · 412407045450171107124
Red4270839 · 42501852286546429
Sand Green4188044143431
Dark Blue4226913124746
Trans-Dark Blue4114521 · 393943116479
Light Gray4173064 · 4119613116740
Dark Gray4214083 · 41734161110129
Trans-Green4116790116433
Black4120164 · 393926112998

Where to buy part 3939

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

Frequently asked questions

How many LEGO sets include part 3939?

Part 3939 (Brick Sloped 33° 3 x 6) appears in 23 sets listed on Setopedia, from 1996 to 2006, in any colour.

Which LEGO set contains the most copies of part 3939?

Set 10027 Train Engine Shed, released in 2003, contains 16 copies, the highest count in our database. On average, a set containing part 3939 has 2.6.

Which colours does LEGO part 3939 come in?

12 colours are listed for part 3939. The most common is White, found in 6 sets.

What is the rarest colour of part 3939?

According to our inventories, it is trans-dark blue, found in only 1 set (6479 Emergency Response Center).

What is the element ID of part 3939 in white?

In white, part 3939 has element ID 4261622 or 620801. Number 3939 is the mould number, the same for every colour.

Is LEGO part 3939 still used in recent sets?

Not in our database: its last set dates from 2006 (7783 The Batcave: The Penguin and Mr. Freeze's Invasion). Look for it in second-hand sets or on BrickLink.

Where can I buy LEGO part 3939 individually?

Single parts 3939 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.