Category: Fan Builds

A recent review completely made our day!

Naoko O. from Canada got our GBC 49 Geneva Drive for his son. This little nifty GBC features multiple mechanisms to get the minds intrigued.
This is what Naoko wrote:

GBC 49 Geneva Drive - 42120 Building Instructions

mysteaka - August 18, 2023

I bought this instructions for my son's 7th birthday gift, as he requested.  He is not a big fan of LEGO but really likes GBC videos. He made a few small GBC modules by watching examples from GBC promo videos before, but it was the first time for him to build a GBC module by following building instructions.  With some short breaks, my son took about 8 hours to build the module himself. For him, this was neither too difficult nor too easy, neither too large nor small, but there were a few exciting challenges and lots of fun to build and play.  The instructions were clear and detailed. Timing mechanisms, geneva mechanism, and arms of the caroucel might be more challenging, but they were actually not, because of the detailed "Fine Tuning" section.  On the other hand, the geneva mechanism snagged every round because a large bevel gear connected to a weapon barrel  (#6 on Page 18)  and a small bevel gear under the ratchet mechanism (#13 on Page 24) didn't mesh properly. To solve it, axles/axle-pegs connecting a weapon barrel and shell 3x1x2 technic beams needed to be adjusted by a little poking and prodding, about 0.5 mm or so (Page 19). It was tricky because what he needed to adjust was not the bevel gears themselves but other parts. When my son solved it, he was really excited, looks super happy and proud.  The LEGO Technic 42120 set is a retired product in our country, but I was fortunately able to purchase the 42120 set. Like other PV-Production's instructions, it was really awesome that all the parts came from a single existing LEGO set and we did not have to gather parts up from here and there.  Only if the instruction was printable. It seems that books/prints are still easier for this age group of children to follow instructions. It feels like more than just STEAM learning. It was a big hit and still is. My son wants more PV-Productions' building instructions, and I'd definitely buy.

Thank Naoko for sharing this with us and we hope your son will continue his passion for engineering in the future.

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It is always great to see our passion GBC being featured on the internet. But being it on TV is even more exciting!

Polo and his nephew Arthur (also known from Planet-GBC.com) participated to the French Got Talent show and showed various cool looking GBC modules. It is always very entertaining to watch people seeing GBC for the first time. You don’t have to speak French to see that the judges got very excited over it!

They even used our GBC Funnel XL which you can see on minute 26:48!

Let the video speak for itself here below.

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Jorian Doornenbal from the Netherlands recently build his GBC 27 Pinball Madness Machine in full glory.
This classic keeps you busy as you have an active play during the operation of the GBC. You can flip like a real pinball machine or shoot GBC Balls out so they go back to the top.
A clever mechanism on the left side travels the GBC Balls up via a step/stair mechanism. Do you notice the weird part we used as steps? Yes, those were available in high quantity in this set (LEGO 42076 Hovercraft set).

At the end Jorian even uses our GBC Glow Balls to really get into the mood. How cool!

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Pete Dubois from the USA has installed the GBC Funnel XL – Left into our new GBC 51 Gravel Works. And look at it shine. What we really love about this GBC is the GBC Ball flow and the many it can handle. What is your favorite part of this GBC? Would love to hear your feedback!

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The first fan build of our GBC 51 Gravel Works just rolled in! As always amazing to see it in action at other builders places.
Thank you Damien De Meyer (Belgium) for sharing with us.

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For many years Brickworld Chicago is one of the biggest LEGO events in the USA. In the last few years there is a new theme called “World of Lights” which implies turning off al the big lights from the ceiling and turn on all the little lights in the LEGO creations. Although this is absolutely spectacular, for GBC builders it was hard to showcase their great GBC machines. For that reason we have developed our GBC Glow Balls which light up the modules and you can follow the path of the GBC Balls wonderfully.

GBC Glow Balls can be charged with our UV Led Strip which is compatible with LEGO Powered Up and Power Functions. After they have been charge they will shine a green glow for over 2 minutes. This event gets better every year and this year again it is a marble to watch in action.

The video below is from the Youtube channel “Adam’s Brick Junction”. Thanks for sharing with us!

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