Setobrick

LEGO part 4066: Duplo Brick 1 x 2 x 2

Duplo, Quatro and Primo25 colours163 sets

LEGO part LEGO part 4066: Duplo Brick 1 x 2 x 2

Specifications

Reference4066
CategoryDuplo, Quatro and Primo
MaterialABS plastic
Colours25
Sets163
Listed pieces773
First appearance1995
Latest appearance2020
Element (Red)4162461 · 4100634
Most common colourRed
SetopediaData: Rebrickable
Spec sheet updated on 2026-09-29

LEGO part 4066, Duplo Brick 1 x 2 x 2, belongs to the Duplo, Quatro and Primo category. It exists in 25 colours and appears in 163 sets of our database, from 1995 to 2020, for a total of 773 listed pieces. Its most common colour is Red.

Number 4066 identifies the shape and is moulded under the part. Each colour also has its own element ID, the one Pick a Brick uses: in red, it is 4162461.

Part 4066 through the years

The oldest set in our database that contains part 4066 is 9175 Push Train, released in 1995 in the Educational and Dacta theme. No set in our database uses it after 2020, the year of 45028 My XL World. To get it today, look for older sets or buy it second-hand.

Its peak year is 2007, with 13 sets containing it. The set with the most copies is 9040 Learning Games: 42 copies, against an average of 4.7 per set.

The part is closely tied to the Duplo theme: 85% of the sets that contain it belong to it. With 163 sets, it ranks no. 823 of 2,731 parts in our database and no. 8 of 122 in the Duplo, Quatro and Primo category.

Sets containing part 4066, by period

PeriodSets
1995-199911
2000-200966
2010-201985
20201

Colours of part 4066

5 colours appear in only one set: medium azure (10511 Skipper's Flight School), trans-light bright green (4689 Playhouse), glitter trans-clear (4820 Princess' Palace), light bluish gray (4864 Castle) and trans-purple (4296 Green Strata). 5 of its 25 colours are transparent.

Colour (element ID)SetsPiecesExample sets
Red4162461 · 41006343577594758165601
Yellow4519295 · 4519293311041085461414629
Trans-Light Blue416450023586157108035609
White4519305 · 425166122786157105664629
Dark Orange4162462 · 415728021506157108046156
Bright Light Orange4259572157061571085410584
Bright Green4519299 · 41624641535108541083610584
Blue4519303 · 416245915281085446296052
Bright Pink46547951234108441057110505
Dark Pink42614921023108221057110557
Medium Blue4519297 · 4292781828605255075815
Green4100630817563555479027
Dark Bluish Gray4249768817615755984777
Orange418351371510854105045511
Black4519300 · 4170963634477755165419
Tan4209851535108041087610584
Bright Light Blue462429751610505615410826
Lavender6294546 · 6099804414108541082810595
Glitter Trans-Dark Pink4260810313482849664820
Dark Tan426019339563549684779
Medium Azure603269411010511
Trans-Light Bright Green4222358134689
Glitter Trans-Clear4260949124820
Light Bluish Gray4506759124864
Trans-Purple4170660114296

Where to buy part 4066

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

Sets that include part 4066

Sets ranked by popularity that include at least one part 4066, in any colour.

Frequently asked questions

How many LEGO sets include part 4066?

Part 4066 (Duplo Brick 1 x 2 x 2) appears in 163 sets listed on Setopedia, from 1995 to 2020, in any colour.

Which LEGO set contains the most copies of part 4066?

Set 9040 Learning Games, released in 2004, contains 42 copies, the highest count in our database. On average, a set containing part 4066 has 4.7.

Which colours does LEGO part 4066 come in?

25 colours are listed for part 4066. The most common is Red, found in 35 sets.

What is the rarest colour of part 4066?

According to our inventories, it is trans-purple, found in only 1 set (4296 Green Strata).

What is the element ID of part 4066 in red?

In red, part 4066 has element ID 4162461 or 4100634. Number 4066 is the mould number, the same for every colour.

Is LEGO part 4066 still used in recent sets?

Not in our database: its last set dates from 2020 (45028 My XL World). Look for it in second-hand sets or on BrickLink.

Where can I buy LEGO part 4066 individually?

Single parts 4066 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.