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LEGO part 30294: Rock Boulder 4 x 4, Bottom

Rock12 colours87 sets

LEGO part LEGO part 30294: Rock Boulder 4 x 4, Bottom

Specifications

Reference30294
CategoryRock
MaterialABS plastic
Colours12
Sets87
Listed pieces135
First appearance1999
Latest appearance2026
Element (Dark Bluish Gray)4506779
Most common colourDark Bluish Gray
Main themesCity, Ninjago, Castle
SetopediaData: Rebrickable
Spec sheet updated on 2026-09-29

LEGO part 30294, Rock Boulder 4 x 4, Bottom, belongs to the Rock category. It exists in 12 colours and appears in 87 sets of our database, from 1999 to 2026, for a total of 135 listed pieces. Its most common colour is Dark Bluish Gray.

Number 30294 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 4506779.

Part 30294 through the years

The oldest set in our database that contains part 30294 is 4990 Rock Raiders HQ, released in 1999 in the Rock Raiders theme. It is still in use: the most recent set featuring it, 60494 Dump Truck & Front End Loader, dates from 2026.

Its peak year is 2014, with 11 sets containing it. The set with the most copies is 979760 Mars Exploration: 7 copies, against an average of 1.6 per set.

It is spread across several themes, led by City (28%), Ninjago (8%) and Castle (8%). With 87 sets, it ranks no. 1,203 of 2,731 parts in our database and no. 7 of 12 in the Rock category.

Sets containing part 30294, by period

PeriodSets
19996
2000-200917
2010-201941
2020-202623

Colours of part 30294

2 colours appear in only one set: white (8863 Blizzard's Peak) and dark green (4192 Fountain of Youth). 4 of its 12 colours are transparent.

Colour (element ID)SetsPiecesExample sets
Dark Bluish Gray45067793757603026025260161
Trans-Light Blue6512335 · 64074041216714076003660034
Brown4164156 · 4164088102349909788979760
Trans-Orange6167280 · 612091267107567068470314
Trans-Bright Green6512334 · 629946956755717172110774
Dark Tan6555149 · 603779247791106049460467
Reddish Brown422373745878188778780
Trans-Neon Orange4164087 · 414327334731773167315
Speckle Black-Silver4272825 · 42721542470198875
Black42710792396918701
White4583970128863
Dark Green4631910114192

Where to buy part 30294

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

Search part 30294 on AmazonPick a Brick (lego.com)BrickLink entryRebrickable entry

Sets that include part 30294

Sets ranked by popularity that include at least one part 30294, in any colour.

Related parts

More parts in the Rock category

All parts in the Rock category

Frequently asked questions

How many LEGO sets include part 30294?

Part 30294 (Rock Boulder 4 x 4, Bottom) appears in 87 sets listed on Setopedia, from 1999 to 2026, in any colour.

Which LEGO set contains the most copies of part 30294?

Set 979760 Mars Exploration, released in 2003, contains 7 copies, the highest count in our database. On average, a set containing part 30294 has 1.6.

Which colours does LEGO part 30294 come in?

12 colours are listed for part 30294. The most common is Dark Bluish Gray, found in 37 sets.

What is the rarest colour of part 30294?

According to our inventories, it is dark green, found in only 1 set (4192 Fountain of Youth).

What is the element ID of part 30294 in dark bluish gray?

In dark bluish gray, part 30294 has element ID 4506779. Number 30294 is the mould number, the same for every colour.

Is LEGO part 30294 still used in recent sets?

Yes: it appears in sets released in 2026, such as 60494 Dump Truck & Front End Loader.

Where can I buy LEGO part 30294 individually?

Single parts 30294 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.