Setobrick

LEGO part 41978: Duplo Brick 2 x 2 x 2 with Vertical Grooves

Duplo, Quatro and Primo4 colours21 sets

LEGO part LEGO part 41978: Duplo Brick 2 x 2 x 2 with Vertical Grooves

Specifications

Reference41978
CategoryDuplo, Quatro and Primo
MaterialABS plastic
Colours4
Sets21
Listed pieces204
First appearance2002
Latest appearance2023
Element (Dark Bluish Gray)6030503 · 4249990
Most common colourDark Bluish Gray
SetopediaData: Rebrickable
Spec sheet updated on 2026-09-29

LEGO part 41978, Duplo Brick 2 x 2 x 2 with Vertical Grooves, belongs to the Duplo, Quatro and Primo category. It exists in 4 colours and appears in 21 sets of our database, from 2002 to 2023, for a total of 204 listed pieces. Its most common colour is Dark Bluish Gray.

Number 41978 identifies the shape and is moulded under the part. Each colour also has its own element ID, the one Pick a Brick uses: in dark bluish gray, it is 6030503.

Part 41978 through the years

The oldest set in our database that contains part 41978 is 9130 Around-The-House Set, released in 2002 in the Educational and Dacta theme. No set in our database uses it after 2023, the year of 45825 MASTERPIECE Discover Set. To get it today, look for older sets or buy it second-hand.

Its peak year is 2002, with 7 sets containing it. The set with the most copies is 9130 Around-The-House Set: 24 copies, against an average of 9.7 per set.

The part is closely tied to the Duplo theme: 62% of the sets that contain it belong to it. With 21 sets, it ranks no. 2,629 of 2,731 parts in our database and no. 110 of 122 in the Duplo, Quatro and Primo category.

Sets containing part 41978, by period

PeriodSets
2002-200917
2010-20193
2020-20231

Colours of part 41978

Its rarest colour, bright pink, appears only in set 4689 Playhouse.

Colour (element ID)SetsPiecesExample sets
Dark Bluish Gray6030503 · 424999084347774582545005
White4166751788469191259130
Red4162960759468646944690
Bright Pink42222901144689

Where to buy part 41978

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

Search part 41978 on AmazonPick a Brick (lego.com)BrickLink entryRebrickable entry

Sets that include part 41978

Sets ranked by popularity that include at least one part 41978, in any colour.

Often found with part 41978

Parts that share the most sets with part 41978, based on set inventories.

More parts in the Duplo, Quatro and Primo category

All parts in the Duplo, Quatro and Primo category

Frequently asked questions

How many LEGO sets include part 41978?

Part 41978 (Duplo Brick 2 x 2 x 2 with Vertical Grooves) appears in 21 sets listed on Setopedia, from 2002 to 2023, in any colour.

Which LEGO set contains the most copies of part 41978?

Set 9130 Around-The-House Set, released in 2002, contains 24 copies, the highest count in our database. On average, a set containing part 41978 has 9.7.

Which colours does LEGO part 41978 come in?

4 colours are listed for part 41978. The most common is Dark Bluish Gray, found in 8 sets.

What is the rarest colour of part 41978?

According to our inventories, it is bright pink, found in only 1 set (4689 Playhouse).

What is the element ID of part 41978 in dark bluish gray?

In dark bluish gray, part 41978 has element ID 6030503 or 4249990. Number 41978 is the mould number, the same for every colour.

Is LEGO part 41978 still used in recent sets?

Not in our database: its last set dates from 2023 (45825 MASTERPIECE Discover Set). Look for it in second-hand sets or on BrickLink.

Where can I buy LEGO part 41978 individually?

Single parts 41978 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.