Questions about the inter-compatibility of different brick sets, or between bricks and some other objects.

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4
votes
2answers
93 views

Was it once possible to put a 1x1 round into a minifig cup?

I remember being able to put a 1x1 round brick into the top of a minifig cup before my dark age (the period of time that a person stops building with Lego, up to the time they pick up the bricks ...
9
votes
4answers
656 views

Is “public transport” train compatable with Lego City track?

Among other things, set 8404 contains a train but it doesn't come with any track pieces (see set 7499). Is this train compatible with these Lego City tracks? I see where it's more of an electric ...
3
votes
0answers
66 views

Communication between two Ev-3 bricks

How the communication between two Ev-3 bricks is done over Bluetooth? What is the nature of data that can be communicated?
6
votes
3answers
2k views

Are there any lego base plates that are compatible with duplo?

I'm thinking of making a lego table but my 2 children both use different lego. My oldest uses normal lego and my youngest uses duplo. Just wondering if there is a base plate that both types of lego ...
3
votes
1answer
785 views

Can 10153 9V train motor be powered by the Power Functions Battery pack?

I am currently making the switch to Power Functions with my Lego Train collection and am wondering if I can power the old 9v motors that I used with the metal rails, with a battery box from the power ...
3
votes
1answer
504 views

How hard is it to convert the new(ish) RC/PF trains to 9V?

I have a HUGE investment in 9V trains (think many thousands of USD) and was wondering how difficult it is to convert the newer RC/PF train systems over to 9V motors? Do the 9V motors fit? Does the ...
14
votes
3answers
20k views

In what ways are LEGO and Megabloks incompatible?

I know that the basic bricks of LEGO and Megabloks fit together, but was wondering if other elements do too. Such as: Plates Rods (Ones Minifigures can hold, not Technic) Right angle (such as ...
2
votes
3answers
533 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 ...
2
votes
1answer
94 views

Will Lego Caboose (10014) work with Lego Cargo Train (7939)?

Will at the older Lego Caboose (10014) work with the Lego Cargo Train (7939)? I wonder if it will fit the newer track and if the magnet couplers will still work? Thanks for any advice you can ...
0
votes
1answer
85 views

Are EV3 sensors and motors backwards compatible with NXT? [duplicate]

Can you use EV3 sensors and motors together with with NXT 2.0 and NXT 1.0 intelligent bricks?
5
votes
2answers
471 views

Can I use the old 12V rails with the remote trains?

I have a bunch of old 12v track. I am looking to get my son into LEGO, but I am thinking of getting the remote set so we can expand it some more. My question is, can I connect the new track to the ...
8
votes
3answers
420 views

How can I use System and Bionicle elements together?

I have a small collection of Bionicle elements that I would like to incorporate into my System builds but I am a little unsure how to use them. What are the different ways to use these two types of ...
0
votes
1answer
424 views

Does the LEGO company actively follow or copy clone bricks?

What does The LEGO group do to follow clone brands? Do they buy at least one of every set produced by The Other Guys? I'm more interested about what the LEGO company does to keep up with what ...
27
votes
3answers
11k 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?
10
votes
2answers
3k views

Can I use RCX sensors and motors with the NXT brick?

I have a bunch of motors and sensors from the original Mindstorms set. It seems a shame I can't use these with the more recent NXT set. Are there any unofficial modifications that allow you to convert ...
6
votes
1answer
2k views

Are nanoblocks compatible with other building bricks?

Recently I have found Nanoblocks, a Japanese brick toy, in American stores. How compatible are these with other building toys? They look to be approximately the same scale as Modulex.
6
votes
1answer
304 views

Are the blue and grey 12v train system compatible?

Are the two generations of 12v train compatible? Eg can you combine a "blue" remote controlled point and a "grey" 12v transformer? Main motivation for this: I have a complete "grey" set of trains, ...
2
votes
1answer
226 views

Apart from the LEGO brick, is there any other hardware that has an NXT firmware written for it?

I am trying to find out if you can upload LEGO NXT byte-code to any other hardware, so I am just checking to see if anyone has ever written the LEGO firmware for any other hardware. Maybe hardware ...
7
votes
2answers
997 views

Homemade methods for interfacing a Servo with LEGO bricks

I'm looking for non-destructive way to structurally attach a standard servo with LEGO bricks. I'm interested in answers for either Large, Medium or Small size servos. I'm using LEGO ...
6
votes
3answers
716 views

Can you build accurate models using 100% LEGO elements by following Megablocks instructions?

I shudder when I find errant MegaBloks in my LEGO elements, but admit to admiring certain in-the-box models offered by them. I know the pictures depicted on the MB boxes are not actually photos of a ...
4
votes
1answer
341 views

Is the Lego 8884 IR Receiver compatible with earlier IR Speed Remotes e.g. from set 7897?

I'm thinking of buying the new Train power function, e.g. 8884 IR Receiver, 88000 Battery Box, and 8879 IR Speed Remote. However I already have the set 7897, is the Speed Remote from this set ...
3
votes
3answers
459 views

Which type of LEGO bricks would be compatible with the Mega Bloks Blind Bag Figures?

My husband collects the Marvel figures which come in the Mega Bloks blind bags. His birthday is coming up and I'd like to build him a display for his Marvel figures. I'd strongly prefer to use LEGO in ...
12
votes
2answers
1k views

Is Technic compatible with Mindstorms?

My wife bought me a Mindstorms NXT 2.0 for my birthday. I've been reading up on it from as many sources as possible however apart from the 9695 Education Resource Set which adds some additional bricks ...
6
votes
1answer
642 views

Can the RCX connect to infra-red on a computer?

Can the RCX connect to a laptop with a IR reciver on it? I want to program my RCX on my computer, But i have no db9 (Lego RCX connecter for 1.0 tower) seriel connecter nor a converter.
10
votes
2answers
793 views

Are Samsonite gears compatible with modern Technic gears?

Do the old Samsonite gears (above) work with current Technic gears (below) LEGO bricks tend to be backward compatible with older bricks, but since I don't own any Samsonite gears I cannot tell.
8
votes
1answer
907 views

Are the LEGO Friends Mini-dolls compatible with Minifigures?

I've seen the new LEGO Friends sets, and wanted to know if the Mini-dolls are compatible in any way with minifigs? I'd quite like to get some sets for the new colours however I want to ensure the ...