21 votes
Accepted

What alternative LEGO-compatible toys are avaliable?

"Communist LEGO" is a comprehensive list of all the LEGO imitators and clone brands. It is an interesting read: https://uploads.brickset.com/docs/clonebrands_v1.8.pdf Keep in mind that, while clone ...
TheBrickBlogger's user avatar
16 votes
Accepted

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

For this experiment we're using the wheeled Duplo push and go motor block and red cabin from Set #10874. The wheel width of the motor is the same width as a non motor base. So, for this train ...
Rin Rio-Oki's user avatar
  • 8,893
14 votes
Accepted

Why are there always holes in Duplo bricks?

Plastic molds are designed to have an even thickness wherever possible (I think it helps with cooling), so a having a hole in the stud made sense to keep the brick's walls consistently thin. The hole ...
Pubby's user avatar
  • 5,206
13 votes
Accepted

Are LEGO Clikits elements compatible with the brick system?

According to this review on The Brick Blogger, yes, BUT... After watching this video by Maniac4Bricks, it seems the compatibility is very limited.
Rin Rio-Oki's user avatar
  • 8,893
13 votes
Accepted

How to install Firmware 1.10E on an EV3 home/retail edition brick

New answer (2020) The V1.10E firmware is installed using the EV3 Device Manager web page. The instructions are not entirely clear, but if you visit the web page with Chrome (recommended), Safari, Edge,...
David Lechner's user avatar
11 votes

Are DUPLO blocks compatible with LEGO blocks in any way?

Duplo bricks manufactured post 2002 are also compatible with a larger brick, produced for a limited time, called Quatro- it is 4 times the size of standard system bricks in every dimension. Older 2x4 ...
Rambling Brick's user avatar
11 votes

Are DUPLO blocks compatible with LEGO blocks in any way?

Some elements are compatible, others are not. IIRC You can stack regular 2x2, 2x4 etc lego bricks on top of normal duplo studs and they fit and hold fine. You can't cover only part of a stud, so ...
Peter Green's user avatar
11 votes

What is the correct snowspeeder to pair with the AT-AT?

Taking the most probable and most objectively answerable interpretation ("Which has the closest scale?") the answer can be clearly decided: According to the Star Wars Wiki the AT-AT is 22,5 ...
zovits's user avatar
  • 16.2k
11 votes
Accepted

Compatibility of sports ramps

I've put those two parts side by side in LeoCAD, and it's quite obvious they have different shapes: A side view illustrates the difference even more clearly: They will somewhat align if one of the ...
IvanSanchez's user avatar
  • 8,659
9 votes

Why doesn’t part 30099 fit into the System?

This picture might explain the reason: As you can see, arches form a nice circle to fit round modified plate. All fits well, except the very bottom. Making the bottom edge fit the plate/tile nicely ...
Alex's user avatar
  • 23.2k
8 votes

Technic 8858 Rebel Wrecker alternate model impossible to build?

Welcome to LEGO Answers! That's a great question. I don't actually have this set, but I believe the issue is that the linkage piece that you are using comes in two separate variants: The variation ...
jncraton's user avatar
  • 40.5k
8 votes

Are there factories in China that produce raw LEGO-compatible blocks?

There are vendors that sell LEGO compatible blocks. One place to look for these is on AliExpress, which is an online marketplace affiliated with Alibaba, the world's largest retailer (wikipedia). You ...
jncraton's user avatar
  • 40.5k
8 votes
Accepted

Is 32013 a drop-in replacement for 3651?

Dimensions are, respectively: 3651 - 0.8cm x 1.6cm x 1.1cm 32013 - 0.8cm x 1.6cm x 0.8cm Distance between one axle and end of another also did not change. So for most builds it should work. ...
8 votes
Accepted

Compatibility between vintage (80s/90s) Technic and current parts (motors etc)

The motor you have linked is indeed quite old and as far as I know, not compatible with anything newer. Seeing that it works with simple DC current, it wouldn't be hard to construct a converter cable, ...
zovits's user avatar
  • 16.2k
7 votes

Are COGO and LEGO bricks compatible?

Welcome! COGO is a clone brand, and hence not generally used around here. COGO bricks will work with LEGO, however, the quality, finish and fit of COGO bricks is significantly less than LEGO's, so I ...
Phil B.'s user avatar
  • 16.9k
7 votes
Accepted

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

Not really - the wheels on "My First Number Train" are the DUPLO car wheels, so they will just about fit on straight and curved track, but they won't work on the points and bridge sections. There isn'...
Zhaph - Ben Duguid's user avatar
7 votes
Accepted

Can I still motorize Universal Building Set 8034 and other from that time with modern elements?

The length of the wire is another thing to be aware of. The wire attached to the motor in 8293 is only slightly more than 20 centimeters (might be a few centimeters more, I don't remember), you can ...
Henrik supports the community's user avatar
7 votes

Are LEGO Clikits elements compatible with the brick system?

Also the frames are to some extent compatible. The entire frame is 9 studs wide, the little holes align with studs. I've seen this frame used in a GBC module.
Michael Verschaeve's user avatar
7 votes
Accepted

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

From a train point of view those wheels will fit happily within the guides of the bridge, and the connections on the tracks should just about fit as well. I'm fairly sure we bought our bridge when we ...
Zhaph - Ben Duguid's user avatar
7 votes
Accepted

Why doesn’t part 30099 fit into the System?

I would assume that this is to do with stability and flexibility of the element, combined with the rectangular nature of the system. There are a number of uses of the part where it's not used to ...
Zhaph - Ben Duguid's user avatar
6 votes

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

One Single Stud Lego brick is 9.6mm H by 8mm W (technically 7.8mm). So at the scale you are looking for we're searching for single stud bricks that are 28.8mm H by 24mm W. After an extensive search ...
Brock Harris's user avatar
6 votes

How to convert LEGO base plate to a DUPLO base plate?

The table IS already cross compatible, even though it doesn't look it. The tabletop or LEGO baseplate is cross molded for DUPLO pieces to fit and lock in on top of the regular LEGO baseplate. PART ...
Rin Rio-Oki's user avatar
  • 8,893
6 votes

Are the different LEGO Xtra play mats designed to be used together?

If you mean the different designs (paved road, beach, grassy park) creating a continuous landscape that seamlessly flow into each other, no, that's not the case. However, each of the playmats is ...
TheBrickBlogger's user avatar
6 votes

Technic beam centering for beam with even length

Hmm... I don't know... I personally, wouldn't try to reinvent pin placement of Technic holes and Studs. I'm not saying being creative that way is too challenging. What I am saying is that, we should ...
Rin Rio-Oki's user avatar
  • 8,893
6 votes

Compatibility between vintage (80s/90s) Technic and current parts (motors etc)

Parts are compatible, and the underlying system hasn't change, but Technic has transitioned away from using traditional studs, so you may find it a bit clunky to integrate older components. The ...
jncraton's user avatar
  • 40.5k
6 votes

Why doesn’t part 30099 fit into the System?

Finding a piece that completes a flawless circle can't be done with this element's current design, but... ...If we stick only with Part #2339, we can build an outside frame that changes the direction ...
Rin Rio-Oki's user avatar
  • 8,893
6 votes

Looking for a big set of tires and rims for my monster truck - really beefy tires

You may want to check Sariel's Wheels chart. This table contains all essential details like dimensions of the wheel and rim as well as weight and how rare they are.
Alex's user avatar
  • 23.2k
6 votes

Adapters for Lego Duplo and Mega Bloks

Primo and Mega Bloks are not compatible. The Primo piece loosely fits on a Mega Blok piece: But the Mega Blok piece does not fit on the Primo stud. As for the adapters in your second photo, I have ...
RSchulz's user avatar
  • 7,512
6 votes
Accepted

Which Hot Wheels vehicles are compatible with LEGO bricks?

I am aware of 5 Hot Wheels castings that provide LEGO-compatible connections currently: Custom Small Block Bricking Trails Brick and Motor Brickin' Delivery Bricking Speed These are all Mega ...
jncraton's user avatar
  • 40.5k
5 votes

What alternative LEGO-compatible toys are avaliable?

Mega Bloks and Kre-O are almost certainly the best LEGO clones out there when it comes to compatibility with the actual LEGO pieces. Most of the other no-name LEGO clones are technically compatible, ...
Stu's user avatar
  • 51

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