LEGO part 31110: Duplo Brick 2 x 2 x 2

Specifications
| Reference | 31110 |
|---|---|
| Category | Duplo, Quatro and Primo |
| Material | ABS plastic |
| Colours | 27 |
| Sets | 100 |
| Listed pieces | 452 |
| First appearance | 1995 |
| Latest appearance | 2026 |
| Element (Red) | 4107909 |
LEGO part 31110, Duplo Brick 2 x 2 x 2, belongs to the Duplo, Quatro and Primo category. It exists in 27 colours and appears in 100 sets of our database, from 1995 to 2026, for a total of 452 listed pieces. Its most common colour is Red.
Number 31110 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 4107909.
Part 31110 through the years
The oldest set in our database that contains part 31110 is 9180 Medical Center, released in 1995 in the Educational and Dacta theme. It is still in use: the most recent set featuring it, 10478 3 in 1 Creative Ramps with Vehicles, dates from 2026.
Its peak year is 2005, with 9 sets containing it. The set with the most copies is 4785 Black Castle: 38 copies, against an average of 4.5 per set.
The part is closely tied to the Duplo theme: 80% of the sets that contain it belong to it. With 100 sets, it ranks no. 1,118 of 2,731 parts in our database and no. 17 of 122 in the Duplo, Quatro and Primo category.
Sets containing part 31110, by period
| Period | Sets | |
|---|---|---|
| 1995-1999 | 16 | |
| 2000-2009 | 41 | |
| 2010-2019 | 27 | |
| 2020-2026 | 16 |
Colours of part 31110
10 colours appear in only one set: dark blue (4691 Police Station), medium azure (10948 Parking Garage and Car Wash), bright pink (4966 Doll's House), bright green (10423 Buildable People with Big Emotions), medium nougat (10983 Organic Market), …
| Colour (element ID) | Sets | Pieces | Example sets |
|---|---|---|---|
| Red4107909 | 27 | 76 | 1095156495609 |
| Yellow4566620 · 4107911 | 25 | 32 | 108401060610557 |
| Blue4100791 | 18 | 23 | 109021059645009 |
| White4143308 | 13 | 104 | 10943450275795 |
| Green4107912 | 11 | 12 | 429631262827 |
| Dark Bluish Gray4210954 | 7 | 46 | 477748645481 |
| Lime4566313 | 6 | 10 | 105774502445012 |
| Black4261331 · 4143307 | 5 | 35 | 486347854779 |
| Orange4566312 | 5 | 10 | 108401083645009 |
| Medium Blue4527243 · 4194463 | 5 | 8 | 45021450093772 |
| Light Bluish Gray4211854 | 4 | 12 | 581656414864 |
| Dark Orange4566311 | 4 | 5 | 59471097945012 |
| Bright Light Yellow6287281 | 3 | 13 | 104671043310994 |
| Tan6421343 | 3 | 12 | 458311041610986 |
| Bright Light Orange6287278 · 4520276 | 3 | 11 | 581556043778 |
| Dark Purple6018426 | 3 | 6 | 104781059510561 |
| Sand Blue4196364 | 2 | 2 | 42967439 |
| Dark Blue4196365 | 1 | 9 | 4691 |
| Medium Azure6136357 | 1 | 7 | 10948 |
| Bright Pink4259794 | 1 | 6 | 4966 |
| Bright Green4566314 | 1 | 4 | 10423 |
| Medium Nougat6435628 | 1 | 3 | 10983 |
| Bright Light Blue6537288 | 1 | 2 | 10459 |
| Dark Gray4196363 | 1 | 1 | 7439 |
| Very Light Gray4194458 | 1 | 1 | 7439 |
| Light Gray4194457 | 1 | 1 | 7441 |
| Light Yellow4157795 | 1 | 1 | 4296 |
Where to buy part 31110
Setopedia shows no prices: they vary by colour, condition and seller. Amazon links are affiliate links.
Sets that include part 31110
Sets ranked by popularity that include at least one part 31110, in any colour.
10840Big Fair2017 · 106 piecesView the set
10951Horse Stable and Pony Care2021 · 65 piecesView the set
5649Big Farm2010 · 68 piecesView the set
5609Deluxe Train Set2008 · 116 piecesView the set
10952Barn, Tractor & Farm Animal Care2021 · 97 piecesView the set
10836Neighborhood (Town Square)2017 · 98 piecesView the set
10606 Backyard Clinic2015 · 39 pieces
10577 Big Royal Castle2014 · 135 pieces
10557 Giant Tower2013 · 200 pieces
5947 Winnie the Pooh's House2011 · 40 pieces
5816 Mack's Road Trip2010 · 34 pieces
5634 Feeding Zoo2009 · 53 pieces
5601 Fire Station2008 · 72 pieces
4777 Knights' Castle2004 · 168 pieces
10478 3 in 1 Creative Ramps with Vehicles2026 · 111 pieces
10467 Family House2026 · 84 pieces
10459 Bluey’s Family House2025 · 83 pieces
45831 UNEARTHED Discover Set2025 · 32 pieces
10416 Caring for Animals at the Farm2024 · 74 pieces
10423 Buildable People with Big Emotions2024 · 71 pieces
10433 Peppa Pig Birthday House2024 · 59 pieces
10994 3in1 Family House2023 · 218 pieces
10983 Organic Market2023 · 40 pieces
10986 Family House on Wheels2023 · 31 pieces
10979 Wild Animals Of Europe2022 · 86 pieces
10943 Happy Childhood Moments2021 · 231 pieces
10948 Parking Garage and Car Wash2021 · 112 pieces
45027 Letters2020 · 130 pieces
10895 Emmet and Lucy's Visitors from the DUPLO Planet2019 · 53 pieces
10902 Police Station2019 · 38 pieces
45024 STEAM Park2017 · 303 pieces
45021 Our Town2017 · 280 pieces
45012 Wild Animals Set2015 · 104 pieces
10595 Sofia's Royal Castle2015 · 87 pieces
10596 Disney Princess Collection2015 · 63 pieces
45009 Animal Bingo2015 · 57 pieces
45007 Large Farm2014 · 156 pieces
45000 Creative Builder2013 · 122 pieces
45001 Playground Set with Storage2013 · 108 pieces
45017 Playground Set2013 · 106 pieces
10561 Toddler Starter Building Set2013 · 37 pieces
9209 Community Services Set2012 · 132 pieces
5795 Big City Hospital2011 · 112 pieces
5681 Police Station2011 · 60 pieces
9217 Farm Set2010 · 152 pieces
5648 Horse Stables2010 · 38 pieces
5815 Flo's Cafe2010 · 32 pieces
5641 Busy Garage2009 · 51 pieces
3597 Lofty and Dizzy Hard at Work2009 · 51 pieces
4864 Castle2008 · 115 pieces
5604 Supermarket2008 · 62 pieces
4863 Sentry and Catapult2008 · 41 pieces- 3357 Serious Play Module 12007 · 2,219 pieces
9229 Police Station2007 · 81 pieces
3289 Muck & Roley in the Sunflower Factory2007 · 36 pieces
9240 Fire Rescue Services Set2006 · 135 pieces
5481 Zoo2006 · 128 pieces
4966 Doll's House2006 · 95 pieces
4965 Police Action2006 · 65 pieces
4785 Black Castle2005 · 386 pieces
3772 Deluxe Train Set2005 · 113 pieces
7840 Airport Action2005 · 105 pieces- 5367 Yellow Tub2005 · 100 pieces
4665 Big Farm2005 · 72 pieces
3771 Train Starter Set2005 · 67 pieces
4779 Defense Tower2005 · 64 pieces
Often found with part 31110
Parts that share the most sets with part 31110, based on set inventories.
Duplo Brick 2 x 23437 · 96 shared sets
Duplo Brick 2 x 43011 · 87 shared sets
Duplo Plate 2 x 440666 · 60 shared sets
Duplo Plate 8 x 851262 · 24 shared sets
Duplo Plate 2 x 844524 · 36 shared sets
Duplo Plate 8 x 166490 · 26 shared sets
Duplo Building Wall 1 x 8 x 6 with Door Opening51261 · 13 shared sets
Duplo Building Wall 1 x 8 x 6 with Window Opening, Hinge on Right51260 · 13 shared sets
More parts in the Duplo, Quatro and Primo category
2301 Duplo Brick 2 x 3 x 2 with Curve132 sets
61649 Duplo Door / Window Frame Flat Front Surface, Completely Open Back128 sets
98233 Duplo Plate 2 x 6122 sets
98223 Duplo Brick 2 x 4 Curved Top115 sets
98252 Duplo Brick 2 x 3 with Curved Bottom95 sets
4196 Duplo Plate 6 x 1294 sets
3437pr0067 Duplo Brick 2 x 2 with Eye with White Spot Print, on Two Sides - Type 190 sets
2214 Duplo Fence / Rail 1 x 6 with 5 Rails83 sets
Frequently asked questions
How many LEGO sets include part 31110?
Part 31110 (Duplo Brick 2 x 2 x 2) appears in 100 sets listed on Setopedia, from 1995 to 2026, in any colour.
Which LEGO set contains the most copies of part 31110?
Set 4785 Black Castle, released in 2005, contains 38 copies, the highest count in our database. On average, a set containing part 31110 has 4.5.
Which colours does LEGO part 31110 come in?
27 colours are listed for part 31110. The most common is Red, found in 27 sets.
What is the rarest colour of part 31110?
According to our inventories, it is dark gray, found in only 1 set (7439 Stretchy's Junk Yard).
What is the element ID of part 31110 in red?
In red, part 31110 has element ID 4107909. Number 31110 is the mould number, the same for every colour.
Is LEGO part 31110 still used in recent sets?
Yes: it appears in sets released in 2026, such as 10478 3 in 1 Creative Ramps with Vehicles.
Where can I buy LEGO part 31110 individually?
Single parts 31110 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.
