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LEGO part 40234: Animal, Rodent, Rat / Mouse [Plain]

Animals / Creatures8 colours74 sets

LEGO part LEGO part 40234: Animal, Rodent, Rat / Mouse [Plain]

Specifications

Reference40234
CategoryAnimals / Creatures
MaterialABS plastic
Colours8
Sets74
Listed pieces80
First appearance2001
Latest appearance2018
Element (Light Bluish Gray)4512743 · 4225169
Most common colourLight Bluish Gray
Main themesHarry Potter, Castle, City
SetopediaData: Rebrickable
Spec sheet updated on 2026-09-29

LEGO part 40234, Animal, Rodent, Rat / Mouse [Plain], belongs to the Animals / Creatures category. It exists in 8 colours and appears in 74 sets of our database, from 2001 to 2018, for a total of 80 listed pieces. Its most common colour is Light Bluish Gray.

Number 40234 identifies the shape and is moulded under the part. Each colour also has its own element ID, the one Pick a Brick uses: in light bluish gray, it is 4512743.

Part 40234 through the years

The oldest set in our database that contains part 40234 is 4709 Hogwarts Castle, released in 2001 in the Harry Potter theme. No set in our database uses it after 2018, the year of 70921 Harley Quinn Cannonball Attack. To get it today, look for older sets or buy it second-hand.

Its peak year is 2015, with 9 sets containing it. The set with the most copies is 45103 StoryStarter Expansion Pack: Community: 5 copies, against an average of 1.1 per set.

It is spread across several themes, led by Harry Potter (22%), Castle (14%) and City (7%). With 74 sets, it ranks no. 1,330 of 2,731 parts in our database and no. 8 of 29 in the Animals / Creatures category.

Sets containing part 40234, by period

PeriodSets
2001-200933
2010-201841

Colours of part 40234

2 colours appear in only one set: brown (1382 Scary Laboratory) and dark bluish gray (4856 Doc Ock's Hideout).

Colour (element ID)SetsPiecesExample sets
Light Bluish Gray4512743 · 42251695560102107073810243
Reddish Brown421127455778377854754
White4250209 · 415335244470947074714
Light Gray4228216 · 415335344470947084705
Dark Gray415335433704558384723
Glow in Dark White60061542294689466
Brown4174181111382
Dark Bluish Gray4210730114856

Where to buy part 40234

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

Search part 40234 on AmazonPick a Brick (lego.com)BrickLink entryRebrickable entry

Sets that include part 40234

Sets ranked by popularity that include at least one part 40234, in any colour.

Often found with part 40234

Parts that share the most sets with part 40234, based on set inventories.

More parts in the Animals / Creatures category

All parts in the Animals / Creatures category

Frequently asked questions

How many LEGO sets include part 40234?

Part 40234 (Animal, Rodent, Rat / Mouse [Plain]) appears in 74 sets listed on Setopedia, from 2001 to 2018, in any colour.

Which LEGO set contains the most copies of part 40234?

Set 45103 StoryStarter Expansion Pack: Community, released in 2015, contains 5 copies, the highest count in our database. On average, a set containing part 40234 has 1.1.

Which colours does LEGO part 40234 come in?

8 colours are listed for part 40234. The most common is Light Bluish Gray, found in 55 sets.

What is the rarest colour of part 40234?

According to our inventories, it is brown, found in only 1 set (1382 Scary Laboratory).

What is the element ID of part 40234 in light bluish gray?

In light bluish gray, part 40234 has element ID 4512743 or 4225169. Number 40234 is the mould number, the same for every colour.

Is LEGO part 40234 still used in recent sets?

Not in our database: its last set dates from 2018 (70921 Harley Quinn Cannonball Attack). Look for it in second-hand sets or on BrickLink.

Where can I buy LEGO part 40234 individually?

Single parts 40234 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.