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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7 votes
3 answers
7k 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 ...
9 votes
2 answers
954 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.
2 votes
0 answers
106 views

How do you open this thing without damaging it?

It's a 9008 DUPLO Activity Set from 1986. Looks like this on all the boxes.
5 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 ...
9 votes
6 answers
7k 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 ...
5 votes
1 answer
339 views

Identification of rare LEGO DUPLO piece

Can you please help me identify what is this LEGO DUPLO cube? I received it inside package of old cubes I bought. It has shorter studs than normal ones, seems quite old. Material and its firmness ...
8 votes
1 answer
649 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 ...
63 votes
6 answers
61k views

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?
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?
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 ...
25 votes
2 answers
6k views

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 ‘...
20 votes
2 answers
32k 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 ...
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 ...
4 votes
1 answer
694 views

LEGO Duplo cargo train - traction problem on bridge

I bought my son a 10875 cargo train. The train is great for playing, but I have a problem with crossing the bridge. I saw that this is common problem with 10875 and 10874 LEGO Duplo trains, so I would ...
5 votes
1 answer
192 views

Do Duplo train cars with two female ends exist?

Most Duplo train cars have a male and a female connector, such as Duplo Car Base 2 x 6 with Red Wheels with Fake Bolts and Open Hitch End. Since most tractors, in the widest meaning of cars meant to ...
2 votes
1 answer
204 views

Where can I get replacement battery connectors for old Lego Duplo Train?

I have the same Duplo Train that Pieterjan posted a picture and video of in September ('Old Lego duplo train not working on batteries'). In my case, it is clear that the battery connectors are ...
4 votes
1 answer
279 views

Do Duplo trains fit Megablock train tracks?

Do Duplo trains fit Megablock train tracks (given in the picture)? Note that all the Megablock 2x2, 2x4, etc blocks fit Duplo. I just have never heard about Megablock train tracks' compatibility.
3 votes
1 answer
2k views

Lego Duplo 10508 train does not pull up the bridge

I tried new batteries, disassembled it, and greased it. The engine wheels seemed a bit sticky due to something sticky inside that got there at some point. I put some WD40 to make it work better and ...
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 ...
9 votes
4 answers
739 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 ...
6 votes
7 answers
30k 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 ...
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 ...
2 votes
2 answers
2k views

Duplo 10874 engine lacks sound without app

I have inherited this set which works perfectly apart from the fact that there is no sound from the engine. It clearly reads all the colours on the action bricks because, when used with the app, the ...
16 votes
3 answers
8k views

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 ...
4 votes
1 answer
109 views

How can find which Duplo sets, featuring car base, are currently sold in France?

My son have been playing a lot with my old LEGO at his grandma's, and I would like to buy him some to play at home. I have tried to figure this out on my own, but I am stuck :( I have read inside the ...
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 ...
9 votes
0 answers
294 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, ...
4 votes
1 answer
235 views

How to generate Duplo instructions?

I am aware of how to create a Lego model and generate instructions using LDD and Stud.io However, I am having trouble figuring out how to do this for Duplo. How does one do this? EDIT: @alex yes I ...
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 ...
8 votes
1 answer
1k 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,...
8 votes
2 answers
619 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 ...
9 votes
2 answers
643 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 (...
5 votes
0 answers
109 views

How do I fix a loose joint between the top and bottom of the digger base?

How do I repair a loose-fitting joint between the top and bottom of the Duplo digger base? It has been used for only about a year. Is the wear more likely on the top or the bottom piece?
6 votes
1 answer
238 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 ...
2 votes
1 answer
188 views

Please help me identity this part (Duplo size)

I got a lot of pre-owned blocks and there's a part I couldn't figure what it is for. There is no part number printed on it; I guess it is not produced by LEGO, probably just some clone brands instead. ...
5 votes
1 answer
143 views

Do Thomas the Tank Engine Duplo trains seat figures?

Lego made Thomas the Tank Engine licensed Duplo sets in the 2000's decade at the same scale as current Duplo trains. Do the Thomas trains seat Duplo figures like current trains do? I've seen some ...
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 ...
3 votes
1 answer
236 views

Schematic and program listing of 28743?

Looking for more info on circuit board of 28743. E.g. what is the processor used? Would like to be able to reprogram the chip. E.g. program the train to stop on the third STOP directive strip, or ...
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 ...
17 votes
2 answers
5k 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 ...
4 votes
1 answer
468 views

Help identify Duplo Toolo brick

I found a thick brick in my set, but couldn't find it on Bricklink by part number. It's look like an Intelligent Brick, but there are no extended pins. Thanks! UPDATE [11.01.2020]: Currently I ...
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 ...
5 votes
1 answer
239 views

From what series is this brick? Duplo machine piece with yellow button, copyright 2007

We have ten of these, but I don't know from which series! When pressing the yellow button it makes a sound that could be a train or a tractor or something like that. We are curious. Does anyone know?
2 votes
1 answer
470 views

Dan I open/repair this Duplo pullback motor?

My son has a Duplo pullback motor. This motor does not work well. After pull back it moves forwards 2 and a half wheel turns and stops. There is a small resistance forcing it forward two millimeters ...
11 votes
1 answer
14k views

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!
1 vote
1 answer
2k views

Can LEGO Duplo and Lego Junior sets compatible? Can the pieces be mixed together from the different sets? [duplicate]

Are LEGO Duplo and Lego Junior sets compatible? Can the pieces be mixed together from the different sets and all be played with together?
1 vote
1 answer
169 views

My DUPLO railroad engine stops after 20cm

My DUPLO railroad engine stops after 20cm moving. I suppose the sensor in the front axle is damaged. So is it possible to repair it?
7 votes
2 answers
608 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 ...
9 votes
0 answers
276 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 ...
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, ...