PV-Productions

Build Great Ball Contraptions from existing LEGO sets.

LEGO compatible electronics & accessories.

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Building Instructions

Building Instructions

Explore the wonderful world of Great Ball Contraptions and so much more! Created completely from official LEGO sets!

Electronics for LEGO

Electronics for LEGO

Engineer without limitations!

STEAM Education & Workshops

STEAM Education & Workshops

Learn by Play. Play by Building

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GBC Balls
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Spirograph Spinner – 42055 Building Instructions
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GBC 21 Mine Factory – 42055 Building Instructions
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USB Power Box
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GBC Funnels
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GBC 36 Crazy Carnival – 42082 Building Instructions
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GBC Starters Pack
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From: Original price was: €127.70.Current price is: €109.62. Select options
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GBC 53 Marble Music Machine – 42146 Building Instructions
Rated 5.00 out of 5
Original price was: €34.95.Current price is: €29.95. Add to cart

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Latest News

Sneak peek GBC 47 Mill Madness #4

December 13, 2021 December 13, 2021

In the 16th Century Girolamo Cardano invented a mechanism for converting a rotary motion into a straigh line motion: the Cardan Gear Mechanism. For our new GBC 47 Mill Madness we took the principles for the Cardan Gear, multiplied it by three and added a little twist! Check out the pictures below to meet our Triple Cardan Gear Lift

: GBC 47 Mill Madness

: GBC 47 Mill Madness

Sneak Peak GBC 47 Mill Madness #3

December 10, 2021 December 10, 2021

Sneak Peek time!

Can you guess the new module of our GBC 47 Mill Madness? Check out our newspage/socials the upcoming weeks for more details!