Setobrick

LEGO part 3865: Baseplate 8 x 16

Baseplates9 colours74 sets

LEGO part LEGO part 3865: Baseplate 8 x 16

Specifications

Reference3865
CategoryBaseplates
MaterialABS plastic
Colours9
Sets74
Listed pieces152
First appearance1995
Latest appearance2013
Element (Green)4219812 · 4179599
Most common colourGreen
SetopediaData: Rebrickable
Spec sheet updated on 2026-09-29

LEGO part 3865, Baseplate 8 x 16, belongs to the Baseplates category. It exists in 9 colours and appears in 74 sets of our database, from 1995 to 2013, for a total of 152 listed pieces. Its most common colour is Green.

Number 3865 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 4219812.

Part 3865 through the years

The oldest set in our database that contains part 3865 is 6036 Skeleton Surprise, released in 1995 in the Castle theme. No set in our database uses it after 2013, the year of 60031 City Corner. To get it today, look for older sets or buy it second-hand.

Its peak year is 1998, with 11 sets containing it. The set with the most copies is 991268 Special Elements Pack: 25 copies, against an average of 2.1 per set.

It is spread across several themes, led by Educational and Dacta (18%), Town (14%) and City (12%). With 74 sets, it ranks no. 1,327 of 2,731 parts in our database and no. 3 of 4 in the Baseplates category.

Sets containing part 3865, by period

PeriodSets
1995-199924
2000-200942
2010-20138

Colours of part 3865

3 colours appear in only one set: white (7412 Yeti's Hideout), dark gray (7469 Mission to Mars) and light yellow (6736 Beach Lookout).

Colour (element ID)SetsPiecesExample sets
Green4219812 · 41795993167373960366554
Dark Bluish Gray42269781739720879457633
Bright Green4288282 · 42198111223335875799302
Tan4504900 · 4219736514777620004022000400
Light Gray4219739 · 4179592447413100361351
Blue41063482262446248
White4219734 · 4187361117412
Dark Gray4219822 · 4177897117469
Light Yellow4219808 · 4179593116736

Where to buy part 3865

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

Search part 3865 on AmazonPick a Brick (lego.com)BrickLink entryRebrickable entry

Sets that include part 3865

Sets ranked by popularity that include at least one part 3865, in any colour.

More parts in the Baseplates category

All parts in the Baseplates category

Frequently asked questions

How many LEGO sets include part 3865?

Part 3865 (Baseplate 8 x 16) appears in 74 sets listed on Setopedia, from 1995 to 2013, in any colour.

Which LEGO set contains the most copies of part 3865?

Set 991268 Special Elements Pack, released in 2009, contains 25 copies, the highest count in our database. On average, a set containing part 3865 has 2.1.

Which colours does LEGO part 3865 come in?

9 colours are listed for part 3865. The most common is Green, found in 31 sets.

What is the rarest colour of part 3865?

According to our inventories, it is white, found in only 1 set (7412 Yeti's Hideout).

What is the element ID of part 3865 in green?

In green, part 3865 has element ID 4219812 or 4179599. Number 3865 is the mould number, the same for every colour.

Is LEGO part 3865 still used in recent sets?

Not in our database: its last set dates from 2013 (60031 City Corner). Look for it in second-hand sets or on BrickLink.

Where can I buy LEGO part 3865 individually?

Single parts 3865 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.