LEGO® Answers Stack Exchange
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What are these Technic "Zapfen" ("stoppers") called in English?

What are these pieces called in English? Google translator doesn't help in this case...
Sibbo
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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 System scale MOC's? I can find two examples, one of a…
Ambo100
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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 to cat hair) and I need to disassemble it. The…
Jade
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How to find out if an element is out of production

Is there a way to know if Lego has officially stopped making a certain Lego element? As an example, from the 580 Lego set, I haven't seen this conveyor belt (along with those wheels and the "Legoland" stamped brick, etc) since the 1970's, so I…
LarsTech
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Is this element some kind of Technic connector?

I am thoroughly confused about an element I have come across: I have never seen a piece quite like this. It's unlike any Technic connector I've seen, so I doubt if that is what it's for. The two facing holes on the sides are standard stud diameter,…
RedRiderX
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Why did LEGO switch the direction of flag elements in 2008?

Having just gotten back into LEGO this year, I noticed that the flags in my new sets are mirrored from all the flags I used to have. On the left is a green flag from 4162 FreeStyle Multibox from 1995, and on the right is a red flag from 10404…
LegoSonicBoy
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Where do I find thousands of blue & yellow bricks for an art project?

I'm an artist and I've started a project where I need around 4000 blue and yellow bricks, specifically bricks and plates that are 2x or 1x any length, but the longer the better. Any suggestions on where to find these for the best possible price? …
EyeJelly
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Can you identify these 20 year old LEGO sets? Castle pieces with red bird and tall staircase?

We have boxes of LEGO which our children used to play with but now the grandchildren want to build things. Can anyone recognize which sets we might have so we can look up the instructions?
Ruth cheshire
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What is the difference between Shuttle Adventurer (10213) and Shuttle Expedition (10231)

Beside the age 16+ designation for the Shuttle Adventurer vs the 14+ age designation on the Shuttle Expedition and some different photography they look identical except they don't sell the Shuttle Adventurer anymore on shop.lego.com. Is there any…
tooshel
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Is it possible to add the power functions to Western Train Chase?

I recently got the Red Cargo Train and it's a great Lego set but a Cars themed train going around my Christmas tree would be even better. Has anyone gotten the power functions to work on the Western Train Chase set? Are the trains compatible with…
tooshel
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Chaining Connections

The LEGO 2x4 brick is somewhat of an icon of LEGO, and the majority of official LEGO bricks can connect back to it. However, the number of bridging bricks required can vary, depending on the piece. Some pieces, like a 1x1 Round Tile, can be…
Lepidolite Mica
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How to repair leaky pneumatics?

Some of my pneumatics parts, mostly pistons, have seals which no longer prevent the air from escaping completely. On some parts they are unreliable and on others they are not working at all. Why do those parts become leaky, how can I minimize the…
Sebastian Wahl
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How to build a steerable remote-controlled vehicle with just 1 motor?

In WeDo 2.0 set there is only 1 motor, which can be remotely switched on and off by using the iPad app (by writing a Scratch program). Also motor rotating direction can be toggled remotely. As an inexperienced LEGO builder I wonder if it is…
Alexander Farber
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How can I wirelessly connect the NXT and an iOS device?

I've seen videos around YouTube (like this one for a car) that show an ability to control a Mindstorms set via iOS (either iPhone or iPod Touch). I am just getting started with Mindstorms, but find this type of possibility very intriguing. How can…
Matthew Bernhardt
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What's the most effective way to align 1x1 tiles?

There are a number of sets (e.g., the Farnsworth House and the Parisian Restaurant) that use a field of 1x1 tiles to represent a tiled floor. I have found aligning these pieces such that they are all square to each other to be a challenge. What…
oddTodd
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