8 votes
Accepted

Is there a true ball/sphere LEGO piece (or pieces that together form a ball/sphere)?

There are several ball designs that fit your needs (and are commonly used for GBC machines) - a selection : Ball, Sports Soccer Plain, and their various multi-colored variants (eg. Ball, Sports ...
Sander De Dycker's user avatar
7 votes
Accepted

Mounting 'shelves' on a 57518 Lego conveyor belt

The picture you have does show a 57518 thread link, which is what you wanted to use. For that, you can use the 1/2 and 3/4 pins to attach a liftarm. A 1x5 liftarm would match the width of the 57518 ...
Pinwheel's user avatar
6 votes

How do you make a triggered counted ball drop?

I've seen this done in a GBC module that counts the balls that pass by. It worked with scales that eventually tipped over, each scale representing a decimal of the total number of balls that passed by....
Michael Verschaeve's user avatar
6 votes
Accepted

How to run "Power Functions" devices from an electric wall plug?

What you describe is indeed the most common way to GBC modules, but it's worth noting that one adaptor+regulator can typically power more modules (it depends on the modules), sometimes only one end of ...
Henrik supports the community's user avatar
6 votes
Accepted

Any build instructions for vertical Technic/Lego conveyor belts?

You're in luck! Jason at JK BrickWorks has put his instructions online. There are others I've used; I'll hunt for those links, too. He's made multiple Ideas sets, so this might be how Lego officially ...
RSchulz's user avatar
  • 7,512
6 votes

Is there a true ball/sphere LEGO piece (or pieces that together form a ball/sphere)?

If we're going to mention much larger spheres and sphere-like objects (and I don't see why not), there's also: 60934 Bionicle Tridax Pod Half 61287 Cylinder Hemisphere 2 x 2 with Cutout (I know it ...
RSchulz's user avatar
  • 7,512
5 votes

Continuous power supply for the SPIKE Prime or Robot Inventor hubs?

This is what the 45678 user guide says: EN Important information: Only use a high-quality Power Adaptor, PC or Laptop for charging the rechargeable battery. Output 5V DC, 500-1500mA. Use the supplied ...
Dan1138's user avatar
  • 1,103
5 votes

How to run "Power Functions" devices from an electric wall plug?

I just happened to finish a homemade solution to this problem a few days ago — so while I can say this works, it isn't exactly long-tested. I made an adapter to connect a 9V power source to the ...
Kevin Reid's user avatar
4 votes

Any cheap Technic sets with a good variety of parts?

In answer to your question "I want to build a Great Ball Contraption and have LEGO set 42055, what other LEGO sets do I need to buy?" the answer is: None. You've got all the bits needed, ...
Josh's user avatar
  • 1,143
4 votes

How can I get a Powered Up motor to run without using a hub?

There is at least one third-party Power Functions to Powered Up adapter available that can be used for this purpose: Here's a video demonstrating it in action: https://www.youtube.com/watch?v=96SxM-...
Michael Verschaeve's user avatar
3 votes

Where to get bulk GBC soccer balls?

On LEGO's customer service under "Bricks & Pieces" (not sure what it's called in english the page is in danish here, and I couldn't quickly see a way to change that) you can buy parts. If I search ...
Henrik supports the community's user avatar
3 votes

Where to get bulk GBC soccer balls?

You should research if there is an RLUG (Recognized Lego users group) active near where you live. These are groups of LEGO fans for which the LEGO company provides various levels of support. Often ...
Michael Verschaeve's user avatar
2 votes
Accepted

I want to get started making GBC modules. Which powered bricks standard to choose in 2023?

The GBC setups I've seen/participated in, have included modules using all kinds of electrical components, but mostly Power Functions (PF) since it's not hard to power those with a train regulator that ...
Henrik supports the community's user avatar
2 votes

How to run "Power Functions" devices from an electric wall plug?

I've heard that the rechargeable battery box sold by LEGO can power a motor while it is plugged in and charging. If your motor is in a stationary position, this could be sufficient. I've also read, ...
Mr. Shiny and New 安宇's user avatar
2 votes

How do you make a triggered counted ball drop?

I don't know if this is practical, and I can't test it as I don't have enough compatible balls to build GBC type mechanisms, but what comes to mind is: Have the balls run down a trough. The trough ...
Kevin Reid's user avatar
2 votes

Where to get bulk GBC soccer balls?

I got them from here; https://pv-productions.com/product/lego-gbc-balls/ work perfect in my gbc modules. Also they have very cool glow in the dark gbc balls
Maxim's user avatar
  • 21
2 votes

How can I get a Powered Up motor to run without using a hub?

New answer given the current state op PUP and Control+: Saw this picture floating around on Facebook: It's from the side of the box of the upcoming (now cancelled) Bell Boeing V-22 Osprey set (42113)....
Michael Verschaeve's user avatar
1 vote

How can I get a Powered Up motor to run without using a hub?

Perhaps too expensive and overkill, but it seems from the specs that a SPIKE prime would fit the requirements: As I understand, the hub can be programmed and then runs independently, similar to an ...
Michael Verschaeve's user avatar
1 vote

Where to get bulk GBC soccer balls?

Here is a link to LEGO compatible soccer balls. These GBC balls work flawlessly and were tested at the Brickworld Show on several dozen GBC machine. The balls are still working and are GREAT! 100 pcs ...
Steve K's user avatar
  • 19

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