Questions tagged [duplo]

LEGO Duplo bricks are designed for young children aged 1½ to 5 years. Duplo bricks are twice the length, height and width of traditional Lego System bricks.

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Are DUPLO blocks compatible with LEGO blocks in any way?

Can I build a model out of both DUPLO blocks and LEGO blocks? Do they fit together?
fredley's user avatar
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25 votes
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Has any non-Duplo LEGO set included Duplo components?

It’s not uncommon for LEGO Technic components to be included in LEGO builds - especially where motion or interaction is needed. Has the same ever happened with a Duplo component being included in a ‘...
Neil Tarrant's user avatar
20 votes
2 answers
33k views

What are the exact dimensions of a DUPLO brick?

The dimensions of LEGO brick are documented well, but what about DUPLO bricks? If have only found the general statements that DUPLO is twice as large as LEGO but no exact numbers. What about the ...
Jakob's user avatar
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17 votes
3 answers
64k views

Are there any LEGO base plates that are compatible with Duplo?

I'm thinking of making a LEGO table but my two children both use different LEGO sizes. My oldest uses normal LEGO and my youngest uses DUPLO. I'm wondering if there is a base plate that both types of ...
user3134's user avatar
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17 votes
2 answers
6k views

Is there an API for the Duplo 10874 train set?

I intend to buy this train set for my daughter. Apparently, the locomotive can communicate with an app via a bluetooth connection. My question is: is there any documentation available so that I can ...
Talence's user avatar
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16 votes
3 answers
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How to disassemble LEGO train engine base part# 28743?

I have one of the new Bluetooth engines (part 28743, but in the bottom it says Hub No 5 model) that has started to under-perform and make some noises, I think that it need some maintenance (maybe due ...
Jade's user avatar
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16 votes
3 answers
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Which Duplo bricks have practical uses in System building?

Traditional 2x4 and 2x2 Duplo bricks can be used to bulk out models and provide a structural support for landscapes, but have there been any other uses for Duplo bricks of all shapes and sizes in ...
14 votes
1 answer
3k views

Will Duplo trains fit onto a regular 6 stud LEGO track?

There's a thread here establishing that regular LEGO trains arguably fit onto Duplo track, but have trouble with underbelly clearance. What about the opposite? Will a Duplo train fit onto six-stud ...
Robert Columbia's user avatar
14 votes
2 answers
11k views

Do regular Lego trains fit onto Duplo tracks?

I have a small kid and a bunch of LEGO Duplo train track. (Like what's in this set.) Would "grown up" sets, like the Emerald Night or Maersk trains, work on that track? They look pretty close (the ...
Brian Ashe's user avatar
14 votes
3 answers
4k views

Third-party blocks with a smiling face or an umbrella with 2 dots on each side

I bought a bunch of duplos from the thrift store and inside there was not Just duplos but also mega bloks. I was able to separate most of them but there are a few that I just cannot tell which is ...
Lisa A's user avatar
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12 votes
4 answers
8k views

Software to do Duplo train track layout?

Anyone know a way to create with a software DUPLO train track layout? The only thing I found is: http://www.anyrail.com/index_en.html It's a bit overkill for what I need and it's $US60, although ...
DarkPixel's user avatar
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12 votes
1 answer
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What is the length of a DUPLO train bridge?

I'm trying to plan a DUPLO train track layout to order but I currently don't own any pieces. I'd like to include a bridge like the one in set 3774, but I'm unsure if it will fit my layouts. Can ...
André Fernandes's user avatar
11 votes
3 answers
15k views

Is there any way to buy specific duplo blocks from Lego (pick-a-brick style and/or in bulk)?

Background: I've gotten into Duplo blocks for building unique and constantly evolving creations for my sugar gliders to play with. Part of owning gliders is accepting that they'll inevitably use ...
Imbrium's user avatar
  • 316
11 votes
6 answers
8k views

How to disassemble the propulsion wheels of the LEGO/DUPLO train engine base part# 28743 drivetrain?

I have a push and go motor, also known as Hub No5 model also known as engine base part #28743 The issue I have is that the train can not climb the bridge anymore, unless using the locomotive alone ...
HpTerm's user avatar
  • 243
11 votes
4 answers
9k views

How do the DUPLO Action Bricks work?

Does anybody know what is the technology the DUPLO Action Bricks are based on? It is not any RFID or NFC because I printed out the white one on normal white paper which turns lights on/off. The symbol ...
Josef B.'s user avatar
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11 votes
1 answer
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Website with layout plans for LEGO Duplo trains?

Can anybody suggest a web site with plans for LEGO Duplo trains? I've searched the net for a while without any interesting results. Any hints appreciated!
Isle of the Kakapo's user avatar
11 votes
1 answer
573 views

What is the purpose of the discontinuity in the DUPLO train bridge rack?

DUPLO bridge elements include racks to allow the powered trains to be able to make the climb. An example of this is element 35138: I noticed that the gear rack on this element is not continuous at ...
jncraton's user avatar
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10 votes
2 answers
39k views

What is LEGO Junior?

Are LEGO Junior bricks bigger than regular LEGO? I can't decide between Junior LEGO and Duplo for my son who is just over 3. I had thought the Junior sets might constitute a happy medium, but am now ...
anna's user avatar
  • 101
9 votes
4 answers
4k views

What are the inspirational resources for building with Duplo?

I am interested in knowing what are the inspirational resources for building with Duplo, so I can spend more quality time with them. For example have Lego ever released Duplo building instructions ...
auselen's user avatar
  • 587
9 votes
4 answers
774 views

Combine Duplo feet with regular LEGO

I would like to place this Duplo pig directly on Lego bricks/pieces. I tried an intermediate Duplo 2x4 plate with Lego bricks underneath, but it doesn't look good. The problem is that Duplo feet ...
Metalbeard's user avatar
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9 votes
3 answers
1k views

Duplo block with facecloth or towel on

I'm currently kitting out a new bathroom for my Lego son, and I would like to modify a set of drawers, including using Duplo pieces as labels for the drawer contents. I've found Duplo blocks for ...
SPPearce's user avatar
  • 191
9 votes
2 answers
686 views

Duplo Locomotive: What is this inner part used for?

Background I was forced to completely disassemble a duplo locomotive. My son played with it in a sand box and, guess what, it was not working anymore. I used a small brush to clean every single part (...
Benoit's user avatar
  • 193
9 votes
2 answers
974 views

Identify Duplos that were in the Red Bunny Purse

Can anyone tell me what Duplos were included in the Red Bunny Purse? I believe that was purchased in 1984.
GAILZ's user avatar
  • 91
9 votes
2 answers
2k views

Is it possible to use DUPLO bricks in LDD?

Is there a way to import DUPLO bricks to Lego Digital Designer? Or is there another way to make DUPLO build instructions?
Alex's user avatar
  • 447
9 votes
0 answers
324 views

Are LEGO Quatro compatible with larger bricks? Soft Bricks or other?

There is a nice discussion here on LEGO+Duplo+Quatro compatibility. I posted what I found here where a LEGO storage block is the right dimension to be double a Quatro (4x Duplo, 8x normal). However, ...
Special Ed's user avatar
9 votes
0 answers
277 views

Where can I buy DUPLO bulk bricks? [duplicate]

The request seems weird, I'm looking to buy for my 1-year-old some Duplo, but they all come in "dog shapes/windows/humans" etc, with a very small amount of rectangular/square blocks, which is all I ...
Francesco Belladonna's user avatar
8 votes
2 answers
653 views

Why are there always holes in Duplo bricks?

For some reason, all the Duplo bricks that exist out there have holes in their studs. I haven't seen a Duplo brick that doesn't have holes in the studs, and I doubt such thing even exists. System ...
mindstormsboi's user avatar
8 votes
1 answer
3k views

What is the function of Duplo part# 38507 RAIL ACCESSORY, NO. 4

Can someone explain to me what 38507: RAIL ACCESSORY, NO. 4 (#6225519) is for? I've got this in the new Duplo Train accessory #10882 and can't figure out what it does :S
Nghia Hang's user avatar
8 votes
6 answers
9k views

Where can I buy bulk DUPLO sized bricks?

I am working on a project where I need LOTS of basic DUPLO sized bricks and/or plates. I need only the simple sizes, 2x2 and 2x4 and possibly 2x6. I do not want any pieces with curves, slopes, decals, ...
Dustin Bahr's user avatar
8 votes
1 answer
887 views

Adapters for Lego Duplo and Mega Bloks

Similar to this question I am interested in combining Duplo Lego with Mega Bloks. I want to have full compatibility, i.e. being able to put Duplo on top of Mega Bloks, which requires some type of ...
Kjara's user avatar
  • 181
8 votes
2 answers
2k views

DUPLO Train Action Bricks

I have the weirdest thing with my son's set. Currently one of the yellow action tiles honks the horn but the other yellow brick does not. No matter the lighting conditions, the position, orientation,...
trainengineer's user avatar
7 votes
3 answers
2k views

What logos appear on Duplo brick studs?

Do all regular Duplo bricks have the word "Duplo" written on their studs? If not, what variations are there?
Kramii's user avatar
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7 votes
4 answers
2k views

What are good DUPLO projects for around 2 year olds?

It is always good to have a bunch of (short) building projects to suggest to our toddlers. Here I would like to collect some easy ones for DUPLO. I'm not particularly interesting in creating ...
Thomas Kahle's user avatar
7 votes
1 answer
233 views

What is the tiny-hand most-friendly sets to migrate from duplo to lego?

How do I migrate a kid who's taken an interest in lego (with a preference to minifigures) from their current duplo collection? I'm tempted to buy just mini-figures, but have seen some "mini" sets ...
Nita's user avatar
  • 235
7 votes
1 answer
1k views

Will the Duplo train track extension set 10872 work with Duplo train set 2700?

I am thinking about buying the Duplo train expansion set 10872 Train Bridge and Tracks for my niece, but her primary Duplo train set is actually a vintage 1983 2700 Freight Train set from her father's ...
Robert Columbia's user avatar
7 votes
2 answers
3k views

Duplo Activity table to Lego System Table

We purchased a table with Duplo baseplates on top (activity table) for my son when he was 1 year old. He's now turning six and we would like to convert the Duplo top to the regular LEGO System top. is ...
Marisabel's user avatar
7 votes
2 answers
649 views

Why don't DUPLO figures have yellow skin?

Normal LEGO minifigures have yellow skin in an attempt at being racially neutral. Why do (modern?) DUPLO figures use normal flesh tones instead of yellow skin? (Set 10895 aside, which has DUPLO ...
jamesdlin's user avatar
  • 763
7 votes
3 answers
8k views

Are there bricks sized between LEGO (classic) and DUPLO?

I am wondering whether there is a brick-type construction block toys on the market that would be sized between the LEGO (classic/original) and LEGO DUPLO. More specifically I am looking for a 3/4 ...
Kozuch's user avatar
  • 239
7 votes
1 answer
3k views

When did piece markings change from DUPLO to LEGO?

I've looked at some of the DUPLO bricks I grew up with, and compared them to newer ones. I've noticed that the knobs on the older bricks say DUPLO, while the newer ones say LEGO. When did this ...
Diederik's user avatar
  • 171
7 votes
1 answer
913 views

Are wheels from Duplo numbers' train set 10558 compatible with bridge 3774?

Are the wheels from Duplo set 10558 compatible with the railway bridge set 3774? I have a number of older wheel bases that are too large for the bridge. According to Brickset, the wheels in set 10558 ...
Shadocko's user avatar
  • 445
7 votes
1 answer
1k views

Old Lego duplo train not working on batteries

I've recovered my old lego duplo set from the attic, and tried to get the electric train working again. After inserting fully charged batteries, the train does start, but it's unable to pull even a ...
Pieterjan's user avatar
  • 171
6 votes
7 answers
31k views

Who else produces Duplo-sized blocks?

I gather that Mega Bloks Mini Bloks are the same size as Duplo, and are compatible with it. Do any of the other major brick manufacturers make similar bricks? Knowing the possibilities can help when ...
Kramii's user avatar
  • 9,121
6 votes
2 answers
1k views

Help identifying 4 weird Duplo pieces

I don't collect Duplo so I'm not familiar with a lot of the pieces they have. Here are the four that stump me: 4x10x3-ish freight hopper: I searched "duplo hopper" in BrickLink but only got ...
Toomany Bees's user avatar
6 votes
1 answer
253 views

Lego Duplo Train Track Switcher washable? / Best way to clean them?

I've found some pretty old Lego Duplo train track parts, that I'm looking to sell on Ebay. As these are pretty old and caked with dust, I wanted to used my usual method I usually use to clean all ...
Vincent Guttmann's user avatar
6 votes
1 answer
4k views

How to convert LEGO base plate to a DUPLO base plate? [duplicate]

How can I convert a regular LEGO base to a DUPLO base? I have a table that cannot be changed and it has built-in LEGO baseplates, but I need it to be 100% DUPLO compatible. Any LEGO to DUPLO baseplate ...
Andrea's user avatar
  • 61
6 votes
2 answers
2k views

Can the DUPLO My First Number Train fit on DUPLO tracks?

I have the My First Number Train set, pictured here. This set did not come with track. Other sets, such as My First Train set, pictured here, do come with track, but the wheels look different. Can ...
Village's user avatar
  • 747
5 votes
2 answers
3k views

Is this a real Duplo Train Base or fake?

I'm new to LEGO, so forgive me if this is a simple question. I purchased a lot of 30 Duplo Train Base from eBay. Below is the picture that accompanied the listing. There is a disclaimer stating: (...
Sun's user avatar
  • 153
5 votes
3 answers
2k views

Are there any reports of fatal or life-threatening incidents with LEGO?

My older kids love LEGO, so my younger kid is also very keen on playing with them, rather than only playing with DUPLO. I am however concerned that it might be risky for him. Most pieces are either ...
Giuseppe Biondi-Zoccai's user avatar
5 votes
1 answer
605 views

LEGO or DUPLO ringing doorbell

Does anyone know if this piece can be found anywhere or what it is called? My kids had a ringing doorbell appox 28 to 30 years ago, where you push down a red button that sits on top of a curved ...
user4230's user avatar
5 votes
1 answer
3k views

Is the Lego Duplo Track System being discontinued?

Our child recently got the Duplo train starter set 10507 as a gift. The box indicates an extension pack with more tracks, so I was confident our child would be able to extend the (sorry) somewhat ...
O. R. Mapper's user avatar
  • 1,930