LEGO part 3437: Duplo Brick 2 x 2
Specifications
| Reference | 3437 |
|---|---|
| Category | Duplo, Quatro and Primo |
| Material | ABS plastic |
| Colours | 61 |
| Sets | 625 |
| Listed pieces | 14,348 |
| First appearance | 1995 |
| Latest appearance | 2026 |
| Element (Red) | 4583321 · 343721 |
LEGO part 3437, Duplo Brick 2 x 2, belongs to the Duplo, Quatro and Primo category. It exists in 61 colours and appears in 625 sets of our database, from 1995 to 2026, for a total of 14,348 listed pieces. Its most common colour is Red.
Number 3437 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 4583321.
Part 3437 through the years
The oldest set in our database that contains part 3437 is 9168 Large House, released in 1995 in the Educational and Dacta theme. It is still in use: the most recent set featuring it, 10470 3 in 1 Modern Family House with Figures, dates from 2026.
Its peak year is 1998, with 38 sets containing it. The set with the most copies is 9090 XL Bulk Set: 230 copies, against an average of 23 per set.
The part is closely tied to the Duplo theme: 80% of the sets that contain it belong to it. With 625 sets, it is the most widespread part in the Duplo, Quatro and Primo category and ranks no. 278 of 2,731 parts in our database.
Sets containing part 3437, by period
| Period | Sets | |
|---|---|---|
| 1995-1999 | 137 | |
| 2000-2009 | 231 | |
| 2010-2019 | 169 | |
| 2020-2026 | 88 |
Colours of part 3437
11 colours appear in only one set: curry (4296 Green Strata), trans-neon orange (10825 Miles' Exo-Flex Suit), glitter trans-clear (4820 Princess' Palace), dark blue-violet (7332 Dora and Boots at Play Park), trans-red (3614 Racing (Explore)), … 10 of its 61 colours are transparent.
| Colour (element ID) | Sets | Pieces | Example sets |
|---|---|---|---|
| Red4583321 · 343721 | 384 | 2,620 | 109131091410909 |
| Yellow4583546 · 343724 | 338 | 2,428 | 109131091410909 |
| Blue343723 | 298 | 2,308 | 108751057210508 |
| Green6528078 · 4583552 | 220 | 1,524 | 10508615710865 |
| Bright Green4583789 · 4168579 | 158 | 923 | 108741094610907 |
| White343701 | 142 | 522 | 109131091410929 |
| Lime4183780 | 134 | 570 | 109131087510914 |
| Orange4159527 | 126 | 605 | 109131091410909 |
| Dark Orange4583791 · 4158534 | 103 | 314 | 109141093910934 |
| Medium Blue4166960 · 4162701 | 76 | 405 | 105081050710558 |
| Black4583790 · 343726 | 69 | 243 | 10874108896157 |
| Medium Azure6054619 | 65 | 213 | 109131087510914 |
| Trans-Light Blue6507900 · 6201835 | 64 | 147 | 108751093410921 |
| Light Bluish Gray4583794 · 4266228 | 50 | 158 | 108741087510939 |
| Dark Bluish Gray4583792 · 4583551 | 49 | 140 | 109331090310934 |
| Bright Light Orange4583550 · 4226194 | 48 | 120 | 109341057210507 |
| Bright Light Yellow4648231 · 4261816 | 36 | 138 | 109131091410929 |
| Tan4583322 · 4166963 | 35 | 92 | 10933109326157 |
| Dark Pink4648234 | 33 | 87 | 108871094010848 |
| Dark Purple6028109 · 4226865 | 27 | 89 | 108871084810865 |
| Lavender4654789 | 23 | 58 | 109131091410865 |
| Yellowish Green6209859 · 4648235 | 21 | 65 | 109131091410909 |
| Bright Pink4654353 · 4223919 | 20 | 52 | 108651084410855 |
| Light Aqua6294237 | 19 | 50 | 109131093310909 |
| Coral6288480 | 18 | 72 | 109131091410909 |
| Dark Red4541375 · 4196417 | 16 | 62 | 10835560910834 |
| Dark Tan4583544 · 4196360 | 14 | 26 | 565356345598 |
| Medium Nougat6349315 | 13 | 34 | 109461046110446 |
| Trans-Yellow6507901 · 6201836 | 13 | 17 | 450251083410857 |
| Medium Orange4168543 | 9 | 46 | 924092334296 |
| Dark Azure6167546 | 8 | 26 | 109141094010451 |
| Reddish Brown6390099 · 4641062 | 7 | 16 | 104801046710446 |
| Trans-Dark Blue4583325 · 4287254 | 6 | 12 | 551155889214 |
| Dark Turquoise6580408 · 4185171 | 5 | 19 | 104701046710462 |
| Light Yellow4157594 | 4 | 12 | 536742963282 |
| Glitter Trans-Light Blue6507903 · 6257958 | 4 | 6 | 108991093410422 |
| Trans-Green4168695 | 4 | 4 | 429691253325 |
| Medium Dark Pink4143061 | 3 | 60 | 200040220004042000400 |
| Flat Dark Gold4164474 | 3 | 5 | 429674399131 |
| Dark Blue6528033 · 4254992 | 3 | 4 | 1044578405504 |
| Earth Orange4209854 | 3 | 4 | 923946864690 |
| Magenta4656356 | 3 | 3 | 10515615410516 |
| Reddish Orange6527076 | 2 | 7 | 1045110445 |
| Bright Light Blue4655048 | 2 | 5 | 105116154 |
| Medium Bluish Violet4214811 · 4175620 | 2 | 4 | 42967439 |
| Very Light Gray4214818 · 4196347 | 2 | 4 | 42967441 |
| Violet4182481 | 2 | 4 | 42969030 |
| Vibrant Yellow6375829 | 2 | 4 | 1096810959 |
| Trans-Orange6606051 · 4515978 | 2 | 3 | 559810469 |
| Medium Lime4175619 | 2 | 2 | 46897333 |
| Curry4216272 | 1 | 4 | 4296 |
| Trans-Neon Orange6148250 | 1 | 3 | 10825 |
| Glitter Trans-Clear4260948 | 1 | 1 | 4820 |
| Dark Blue-Violet4221630 | 1 | 1 | 7332 |
| Trans-Red4170848 | 1 | 1 | 3614 |
| Dark Gray4196348 · 4119631 | 1 | 1 | 4296 |
| Purple4183773 | 1 | 1 | 4296 |
| Light Turquoise4188942 | 1 | 1 | 4296 |
| Bright Reddish Orange4182483 | 1 | 1 | 4296 |
| Trans-Clear6507902 · 6257575 | 1 | 1 | 10978 |
| Medium Lavender6615113 | 1 | 1 | 10478 |
Where to buy part 3437
Setopedia shows no prices: they vary by colour, condition and seller. Amazon links are affiliate links.
Sets that include part 3437
Sets ranked by popularity that include at least one part 3437, in any colour.
10874Steam Train2018 · 59 piecesView the set
10913Brick Box2020 · 65 piecesView the set
10875Cargo Train2018 · 105 piecesView the set
10914Deluxe Brick Box2020 · 85 piecesView the set
10929Modular Playhouse2020 · 133 piecesView the set
10939T. rex and Triceratops Dinosaur Breakout2021 · 36 piecesView the set
10933 Tower Crane & Construction2020 · 123 pieces
10909 Heart Box2020 · 80 pieces
10903 Fire Station2019 · 76 pieces
10899 Frozen Ice Castle2019 · 59 pieces
10946 Family Camping Van Adventure2021 · 30 pieces
10934 Creative Animals2020 · 175 pieces
10932 Wrecking Ball Demolition2020 · 56 pieces
10921 Super Heroes Lab2020 · 30 pieces
10907 World Animals2019 · 121 pieces
10887 Creative Fun2019 · 120 pieces
10840 Big Fair2017 · 106 pieces
10572 All-in-One-Box-of-Fun2014 · 65 pieces
10508 Deluxe Train Set2013 · 134 pieces
10940 Spider-Man Headquarters2021 · 36 pieces
10889 Mickey's Vacation House2019 · 57 pieces
10869 Farm Adventures2018 · 104 pieces
10848 My First Bricks2017 · 83 pieces
10810 Push Train2016 · 45 pieces
10507 My First Train Set2013 · 52 pieces
6157 The Big Zoo2012 · 147 pieces
10951 Horse Stable and Pony Care2021 · 65 pieces
10924 Lightning McQueen's Race Day2020 · 42 pieces
10886 My First Car Creations2019 · 34 pieces
10865 Fun Creations2018 · 70 pieces
10854 Creative Box2017 · 120 pieces
10835 Family House2017 · 69 pieces
10837 Santa's Winter Holiday2017 · 45 pieces
10804 Jungle2016 · 86 pieces
10803 Arctic2016 · 40 pieces
10525 Big Farm2014 · 120 pieces
10580 Deluxe Box of Fun2014 · 95 pieces
10558 Number Train2013 · 31 pieces
6156 Photo Safari2012 · 67 pieces
6051 Play with Letters2011 · 74 pieces
5506 Large Brick Box2010 · 71 pieces
5649 Big Farm2010 · 68 pieces
5609 Deluxe Train Set2008 · 116 pieces
5608 Train Starter Set2008 · 64 pieces
10968 Doctor Visit2022 · 34 pieces
10952 Barn, Tractor & Farm Animal Care2021 · 97 pieces
10919 Batcave2020 · 33 pieces
10906 Tropical Island2019 · 73 pieces
45025 Coding Express2018 · 235 pieces
10864 Large Playground Brick Box2018 · 71 pieces
10876 Spider-Man & Hulk Adventures2018 · 38 pieces
10878 Rapunzel's Tower2018 · 37 pieces
10836 Neighborhood (Town Square)2017 · 98 pieces
10842 Batcave Challenge2017 · 73 pieces
10844 Minnie Mouse Bow-tique2017 · 70 pieces
10841 Fun Family Fair2017 · 61 pieces
10834 Pizzeria2017 · 57 pieces
10855 Cinderella's Magical Castle2017 · 56 pieces
10857 Piston Cup Race2017 · 31 pieces
10805 Around the World2016 · 163 pieces
10817 Creative Chest2016 · 73 pieces
10813 Big Construction Site2016 · 67 pieces
10816 My First Cars and Trucks2016 · 39 pieces
10822 Sofia's Magical Carriage2016 · 30 pieces
10593 Fire Station2015 · 105 pieces
10584 Forest: Park2015 · 105 pieces
Related parts
Duplo Brick 2 x 2 with Eye with White Spot Print, on Two Sides - Type 13437pr0067 · Printed versionOften found with part 3437
Parts that share the most sets with part 3437, based on set inventories.
Duplo Brick 2 x 43011 · 529 shared sets
Duplo Brick 2 x 3 with Curved Top2302 · 326 shared sets
Duplo Plate 2 x 440666 · 330 shared sets
Duplo Plant, Flower with 1 Top Stud6510 · 244 shared sets
Duplo Brick 2 x 62300 · 184 shared sets
Duplo Brick 1 x 2 x 24066 · 161 shared sets
Duplo Plate 4 x 84672 · 161 shared sets
Duplo Brick 1 x 2 x 2 with Bottom Tube76371 · 153 shared sets
More parts in the Duplo, Quatro and Primo category
6474 Duplo Brick 2 x 2 Slope 45°137 sets
44524 Duplo Plate 2 x 8133 sets
4199 Duplo Brick 2 x 8132 sets
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
31110 Duplo Brick 2 x 2 x 2100 sets
Frequently asked questions
How many LEGO sets include part 3437?
Part 3437 (Duplo Brick 2 x 2) appears in 625 sets listed on Setopedia, from 1995 to 2026, in any colour.
Which LEGO set contains the most copies of part 3437?
Set 9090 XL Bulk Set, released in 2008, contains 230 copies, the highest count in our database. On average, a set containing part 3437 has 23.
Which colours does LEGO part 3437 come in?
61 colours are listed for part 3437. The most common is Red, found in 384 sets.
What is the rarest colour of part 3437?
According to our inventories, it is glitter trans-clear, found in only 1 set (4820 Princess' Palace).
What is the element ID of part 3437 in red?
In red, part 3437 has element ID 4583321 or 343721. Number 3437 is the mould number, the same for every colour.
Is LEGO part 3437 still used in recent sets?
Yes: it appears in sets released in 2026, such as 10470 3 in 1 Modern Family House with Figures.
Where can I buy LEGO part 3437 individually?
Single parts 3437 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.