Setobrick

LEGO part 31021: Duplo Fence 1 x 6 x 2

Duplo, Quatro and Primo6 colours26 sets

LEGO part LEGO part 31021: Duplo Fence 1 x 6 x 2

Specifications

Reference31021
CategoryDuplo, Quatro and Primo
MaterialABS plastic
Colours6
Sets26
Listed pieces110
First appearance1996
Latest appearance2012
Element (Brown)4100731 · 3102125
Most common colourBrown
SetopediaData: Rebrickable
Spec sheet updated on 2026-09-29

LEGO part 31021, Duplo Fence 1 x 6 x 2, belongs to the Duplo, Quatro and Primo category. It exists in 6 colours and appears in 26 sets of our database, from 1996 to 2012, for a total of 110 listed pieces. Its most common colour is Brown.

Number 31021 identifies the shape and is moulded under the part. Each colour also has its own element ID, the one Pick a Brick uses: in brown, it is 4100731.

Part 31021 through the years

The oldest set in our database that contains part 31021 is 2699 Farm Yard, released in 1996 in the Duplo theme. No set in our database uses it after 2012, the year of 6156 Photo Safari. To get it today, look for older sets or buy it second-hand.

Its peak year is 1998, with 5 sets containing it. The set with the most copies is 9134 Life-on-the-Farm: 16 copies, against an average of 4.2 per set.

The part is closely tied to the Duplo theme: 65% of the sets that contain it belong to it. With 26 sets, it ranks no. 2,352 of 2,731 parts in our database and no. 85 of 122 in the Duplo, Quatro and Primo category.

Sets containing part 31021, by period

PeriodSets
1996-19999
2000-200915
2010-20122

Colours of part 31021

2 colours appear in only one set: dark orange (2989 The Big Honeypot) and light brown (4665 Big Farm).

Colour (element ID)SetsPiecesExample sets
Brown4100731 · 31021251261200040091343283
White4583390 · 4500249527462448289040
Reddish Brown4614479 · 4588072515615647775419
Red4223923 · 414332634788092394689
Dark Orange4141017122989
Light Brown4246965114665

Where to buy part 31021

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

Search part 31021 on AmazonPick a Brick (lego.com)BrickLink entryRebrickable entry

Sets that include part 31021

Sets ranked by popularity that include at least one part 31021, in any colour.

Often found with part 31021

Parts that share the most sets with part 31021, 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 31021?

Part 31021 (Duplo Fence 1 x 6 x 2) appears in 26 sets listed on Setopedia, from 1996 to 2012, in any colour.

Which LEGO set contains the most copies of part 31021?

Set 9134 Life-on-the-Farm, released in 2002, contains 16 copies, the highest count in our database. On average, a set containing part 31021 has 4.2.

Which colours does LEGO part 31021 come in?

6 colours are listed for part 31021. The most common is Brown, found in 12 sets.

What is the rarest colour of part 31021?

According to our inventories, it is light brown, found in only 1 set (4665 Big Farm).

What is the element ID of part 31021 in brown?

In brown, part 31021 has element ID 4100731 or 3102125. Number 31021 is the mould number, the same for every colour.

Is LEGO part 31021 still used in recent sets?

Not in our database: its last set dates from 2012 (6156 Photo Safari). Look for it in second-hand sets or on BrickLink.

Where can I buy LEGO part 31021 individually?

Single parts 31021 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.