Setobrick

LEGO part 51704: Duplo Brick 2 x 10 x 2 Arch

Duplo, Quatro and Primo9 colours35 sets

LEGO part LEGO part 51704: Duplo Brick 2 x 10 x 2 Arch

Specifications

Reference51704
CategoryDuplo, Quatro and Primo
MaterialABS plastic
Colours9
Sets35
Listed pieces49
First appearance2006
Latest appearance2026
Element (Red)4276855
Most common colourRed
SetopediaData: Rebrickable
Spec sheet updated on 2026-09-29

LEGO part 51704, Duplo Brick 2 x 10 x 2 Arch, belongs to the Duplo, Quatro and Primo category. It exists in 9 colours and appears in 35 sets of our database, from 2006 to 2026, for a total of 49 listed pieces. Its most common colour is Red.

Number 51704 identifies the shape and is moulded under the part. Each colour also has its own element ID, the one Pick a Brick uses: in red, it is 4276855.

Part 51704 through the years

The oldest set in our database that contains part 51704 is 4960 Giant Zoo, released in 2006 in the Duplo theme. It is still in use: the most recent set featuring it, 10464 Team Spidey Webquarters, dates from 2026.

Its peak year is 2021, with 3 sets containing it. The set with the most copies is 10948 Parking Garage and Car Wash: 5 copies, against an average of 1.4 per set.

The part is closely tied to the Duplo theme: 89% of the sets that contain it belong to it. With 35 sets, it ranks no. 2,001 of 2,731 parts in our database and no. 54 of 122 in the Duplo, Quatro and Primo category.

Sets containing part 51704, by period

PeriodSets
2006-20098
2010-201915
2020-202612

Colours of part 51704

2 colours appear in only one set: yellow (5595 Airport) and tan (10416 Caring for Animals at the Farm).

Colour (element ID)SetsPiecesExample sets
Red4276855172610508615710951
Blue451697767108751050810577
Light Bluish Gray622371634109341090710974
Light Aqua634757933104661043510956
White6433389 · 6167548231085510998
Bright Light Orange6034814221050710584
Dark Azure6528793221046410446
Yellow4527289115595
Tan64694841110416

Where to buy part 51704

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

Search part 51704 on AmazonPick a Brick (lego.com)BrickLink entryRebrickable entry

Sets that include part 51704

Sets ranked by popularity that include at least one part 51704, in any colour.

Often found with part 51704

Parts that share the most sets with part 51704, 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 51704?

Part 51704 (Duplo Brick 2 x 10 x 2 Arch) appears in 35 sets listed on Setopedia, from 2006 to 2026, in any colour.

Which LEGO set contains the most copies of part 51704?

Set 10948 Parking Garage and Car Wash, released in 2021, contains 5 copies, the highest count in our database. On average, a set containing part 51704 has 1.4.

Which colours does LEGO part 51704 come in?

9 colours are listed for part 51704. The most common is Red, found in 17 sets.

What is the rarest colour of part 51704?

According to our inventories, it is yellow, found in only 1 set (5595 Airport).

What is the element ID of part 51704 in red?

In red, part 51704 has element ID 4276855. Number 51704 is the mould number, the same for every colour.

Is LEGO part 51704 still used in recent sets?

Yes: it appears in sets released in 2026, such as 10464 Team Spidey Webquarters.

Where can I buy LEGO part 51704 individually?

Single parts 51704 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.