Setobrick

LEGO part 6851: Duplo Baseplate 12 x 16

Duplo, Quatro and Primo5 colours35 sets

LEGO part LEGO part 6851: Duplo Baseplate 12 x 16

Specifications

Reference6851
CategoryDuplo, Quatro and Primo
MaterialABS plastic
Colours5
Sets35
Listed pieces53
First appearance1995
Latest appearance2008
Element (Green)4219744 · 685128
Most common colourGreen
SetopediaData: Rebrickable
Spec sheet updated on 2026-09-29

LEGO part 6851, Duplo Baseplate 12 x 16, belongs to the Duplo, Quatro and Primo category. It exists in 5 colours and appears in 35 sets of our database, from 1995 to 2008, for a total of 53 listed pieces. Its most common colour is Green.

Number 6851 identifies the shape and is moulded under the part. Each colour also has its own element ID, the one Pick a Brick uses: in green, it is 4219744.

Part 6851 through the years

The oldest set in our database that contains part 6851 is 9518 Mosaic Set, released in 1995 in the Educational and Dacta theme. No set in our database uses it after 2008, the year of 9531 Numbers and Mosaics Set. To get it today, look for older sets or buy it second-hand.

Its peak year is 2004, with 7 sets containing it. The set with the most copies is 9531 Numbers and Mosaics Set: 4 copies, against an average of 1.5 per set.

It is spread across several themes, led by Educational and Dacta (54%) and Duplo (46%). With 35 sets, it ranks no. 2,010 of 2,731 parts in our database and no. 55 of 122 in the Duplo, Quatro and Primo category.

Sets containing part 6851, by period

PeriodSets
1995-199916
2000-200819

Colours of part 6851

2 colours appear in only one set: trans-clear (9543 Let's Play Maths) and light bluish gray (9232 Hospital). One of its colours is transparent: trans-clear.

Colour (element ID)SetsPiecesExample sets
Green4219744 · 6851282028779273387339
White4520471 · 42197621120953195309546
Yellow4221063 · 41120522291482817
Trans-Clear4225481129543
Light Bluish Gray4256120119232

Where to buy part 6851

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

Search part 6851 on AmazonPick a Brick (lego.com)BrickLink entryRebrickable entry

Sets that include part 6851

Sets ranked by popularity that include at least one part 6851, in any colour.

Often found with part 6851

Parts that share the most sets with part 6851, 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 6851?

Part 6851 (Duplo Baseplate 12 x 16) appears in 35 sets listed on Setopedia, from 1995 to 2008, in any colour.

Which LEGO set contains the most copies of part 6851?

Set 9531 Numbers and Mosaics Set, released in 2008, contains 4 copies, the highest count in our database. On average, a set containing part 6851 has 1.5.

Which colours does LEGO part 6851 come in?

5 colours are listed for part 6851. The most common is Green, found in 20 sets.

What is the rarest colour of part 6851?

According to our inventories, it is light bluish gray, found in only 1 set (9232 Hospital).

What is the element ID of part 6851 in green?

In green, part 6851 has element ID 4219744 or 685128. Number 6851 is the mould number, the same for every colour.

Is LEGO part 6851 still used in recent sets?

Not in our database: its last set dates from 2008 (9531 Numbers and Mosaics Set). Look for it in second-hand sets or on BrickLink.

Where can I buy LEGO part 6851 individually?

Single parts 6851 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.