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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1answer
87 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 ...
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2answers
308 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 ...
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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?
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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, ...
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1answer
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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 ...
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1answer
110 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. ...
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3answers
324 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 ...
5
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1answer
86 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 ...
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3answers
889 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 ...
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1answer
143 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 ...
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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 ...
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1answer
300 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 ...
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1answer
479 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 ...
8
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1answer
419 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,...
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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 ...
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2answers
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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 ...
7
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2answers
412 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 ...
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1answer
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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 ...
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1answer
338 views

Is this an early Duplo mini figure?

Just wondering if you have ever seen this figure before? I've had it since I was a kid in the early 80's, and it's always lived with my lego (which was mostly hand-me-downs from my older brother - ie ...
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1answer
109 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?
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How does the DUPLO Action Bricks work?

Does anybody knows 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 ...
4
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1answer
248 views

Why does the Duplo bathtub piece have an odd height?

I have recently come in touch with the Duplo bathtub piece. While it is mainly a bathtub whose bottom is shaped in such a way that it can be placed on Duplo studs, one of the piece's sides also ...
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1answer
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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 ...
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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 (...
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2answers
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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 ...
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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
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1answer
642 views

Duplo rail accessory compatibility with older trains

Are the new Duplo rail accessories, like #6225521 and #6225519 (appearing in, for example Duplo #10872: Train Bridge and Tracks; #10874: Steam Train; and #10875: Cargo Train) compatible with older ...
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1answer
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 ...
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1answer
328 views

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 ...
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1answer
193 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 ...
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1answer
179 views

Are creative play sets compatible with Duplo?

Are are the blocks in the Creative Play sets compatible with LEGO Duplo blocks? Also, are they the same size as Duplo, or Juniors or in between?
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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 ...
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1answer
4k views

How to open Duplo train base 2961b?

How can I open a Duplo train base 2961b without destroying it? It is not working despite fresh batteries. There are no screws.
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1answer
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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!
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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 ...
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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 ...
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0answers
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How should I make a future-proof table for different LEGO brick sizes? [duplicate]

I'm trying to decide on a table or base for my 3 year old - one she can grow with. She is using Duplo bricks currently but also already has some regular LEGO bricks. What kind of base will work with ...
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1answer
345 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 ...
5
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1answer
178 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?
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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 ...
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1answer
370 views

Are DUPLO gears compatible with LEGO gears?

Can I make a transmission from DUPLO gear (Early Simple Machines Set 9656) to regular-sized gear?
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1answer
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Why did LEGO stop selling sets for <1.5 year old (Primo etc)?

LEGO used to make Primo sets and baby toys for 6 month+ babies. As a parent of a young child the only option I have is Lego Duplo that isn't quite ready for her age. Are used Lego Primo sets safe ...
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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, ...
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1answer
276 views

DUPLO Train Shopping Resources

I recently bought the 10508 train set for my 3 year old and he just loves playing with it. I am aware of the 10507 and 10506 sets to expand further. Are there any other resources available to buy ...
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1answer
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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 ...
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1answer
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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?
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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 ...
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1answer
312 views

What is this snapping brick for / which set is it from?

I've found this DUPLO brick: The red part can be pushed in and snaps out when the button on the top is pressed: Any idea which set this is from or what it could be used for?
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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?
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936 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?