Setobrick

LEGO part 57908: Technic Brick Special 2 x 2 with 10.2mm Balls [Center Mold Indention]

Technic Special3 colours26 sets

LEGO part LEGO part 57908: Technic Brick Special 2 x 2 with 10.2mm Balls [Center Mold Indention]

Specifications

Reference57908
CategoryTechnic Special
MaterialABS plastic
Colours3
Sets26
Listed pieces47
First appearance2007
Latest appearance2014
Element (Dark Bluish Gray)4498096
Most common colourDark Bluish Gray
SetopediaData: Rebrickable
Spec sheet updated on 2026-09-29

LEGO part 57908, Technic Brick Special 2 x 2 with 10.2mm Balls [Center Mold Indention], belongs to the Technic Special category. It exists in 3 colours and appears in 26 sets of our database, from 2007 to 2014, for a total of 47 listed pieces. Its most common colour is Dark Bluish Gray.

Number 57908 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 4498096.

Part 57908 through the years

The oldest set in our database that contains part 57908 is 8108 Mobile Devastator, released in 2007 in the Exo-Force theme. No set in our database uses it after 2014, the year of 31021 Furry Creatures. To get it today, look for older sets or buy it second-hand.

Its peak year is 2007, with 9 sets containing it. The set with the most copies is 9450 Epic Dragon Battle: 4 copies, against an average of 1.8 per set.

It is spread across several themes, led by Exo-Force (35%), Ninjago (23%) and Creator (8%). With 26 sets, it ranks no. 2,327 of 2,731 parts in our database and no. 40 of 44 in the Technic Special category.

Sets containing part 57908, by period

PeriodSets
20079
20081
20092
20100
20114
20122
20134
20144

Colours of part 57908

2 colours appear in only one set: black (31021 Furry Creatures) and dark brown (31019 Forest Animals).

Colour (element ID)SetsPiecesExample sets
Dark Bluish Gray4498096244494507050370505
Black60564451231021
Dark Brown60469401131019

Where to buy part 57908

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 57908?

Part 57908 (Technic Brick Special 2 x 2 with 10.2mm Balls [Center Mold Indention]) appears in 26 sets listed on Setopedia, from 2007 to 2014, in any colour.

Which LEGO set contains the most copies of part 57908?

Set 9450 Epic Dragon Battle, released in 2012, contains 4 copies, the highest count in our database. On average, a set containing part 57908 has 1.8.

Which colours does LEGO part 57908 come in?

3 colours are listed for part 57908. The most common is Dark Bluish Gray, found in 24 sets.

What is the rarest colour of part 57908?

According to our inventories, it is dark brown, found in only 1 set (31019 Forest Animals).

What is the element ID of part 57908 in dark bluish gray?

In dark bluish gray, part 57908 has element ID 4498096. Number 57908 is the mould number, the same for every colour.

Is LEGO part 57908 still used in recent sets?

Not in our database: its last set dates from 2014 (31021 Furry Creatures). Look for it in second-hand sets or on BrickLink.

Where can I buy LEGO part 57908 individually?

Single parts 57908 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.