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LEGO part 3857: Baseplate 16 x 32

Baseplates11 colours135 sets

LEGO part LEGO part 3857: Baseplate 16 x 32

Specifications

Reference3857
CategoryBaseplates
MaterialABS plastic
Colours11
Sets135
Listed pieces255
First appearance1995
Latest appearance2026
Element (Green)4219615 · 274828
Most common colourGreen
SetopediaData: Rebrickable
Spec sheet updated on 2026-09-29

LEGO part 3857, Baseplate 16 x 32, belongs to the Baseplates category. It exists in 11 colours and appears in 135 sets of our database, from 1995 to 2026, for a total of 255 listed pieces. Its most common colour is Green.

Number 3857 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 4219615.

Part 3857 through the years

The oldest set in our database that contains part 3857 is 6339 Shuttle Launch Pad, released in 1995 in the Town theme. It is still in use: the most recent set featuring it, 43302 Main Street, U.S.A., dates from 2026.

Its peak year is 1996, with 11 sets containing it. The set with the most copies is 3358 Serious Play Module 2: 18 copies, against an average of 1.9 per set.

It is spread across several themes, led by Educational and Dacta (16%), Creator (10%) and Town (9%). With 135 sets, it is the most widespread part in the Baseplates category and ranks no. 934 of 2,731 parts in our database.

Sets containing part 3857, by period

PeriodSets
1995-199947
2000-200952
2010-201924
2020-202612

Colours of part 3857

4 colours appear in only one set: yellow (2146 Freestyle with Storage Case), dark gray (7035 Police HQ), brown (3053 Emperor's Stronghold) and bright light blue (7586 Sunshine Home).

Colour (element ID)SetsPiecesExample sets
Green4219615 · 2748284371102551027010218
Dark Bluish Gray42696513670717417597880107
Tan4295401 · 42548661628598867696765
Blue4226002 · 2748231236102561021410234
Bright Green4219648 · 41730661216589155086167
Light Gray4219612 · 27480211131002769584555
White6030593 · 4295314715814474178785476
Yellow132146
Dark Gray4219645 · 4195646117035
Brown4121920113053
Bright Light Blue4520893117586

Where to buy part 3857

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

Search part 3857 on AmazonPick a Brick (lego.com)BrickLink entryRebrickable entry

Sets that include part 3857

Sets ranked by popularity that include at least one part 3857, in any colour.

More parts in the Baseplates category

All parts in the Baseplates category

Frequently asked questions

How many LEGO sets include part 3857?

Part 3857 (Baseplate 16 x 32) appears in 135 sets listed on Setopedia, from 1995 to 2026, in any colour.

Which LEGO set contains the most copies of part 3857?

Set 3358 Serious Play Module 2, released in 2007, contains 18 copies, the highest count in our database. On average, a set containing part 3857 has 1.9.

Which colours does LEGO part 3857 come in?

11 colours are listed for part 3857. The most common is Green, found in 43 sets.

What is the rarest colour of part 3857?

According to our inventories, it is dark gray, found in only 1 set (7035 Police HQ).

What is the element ID of part 3857 in green?

In green, part 3857 has element ID 4219615 or 274828. Number 3857 is the mould number, the same for every colour.

Is LEGO part 3857 still used in recent sets?

Yes: it appears in sets released in 2026, such as 43302 Main Street, U.S.A..

Where can I buy LEGO part 3857 individually?

Single parts 3857 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.