Here comes another LEGO marble run machine masterpiece from Rimo Yaona. The very colorful GBC Ball Rolling Machine 12 is a fantastic LEGO build from this creative Japanese designer featuring three main rotating blocks, each holding two baskets. The GBC balls are falling two by two into these baskets and are doing some rotations. Whenever a basket is meeting the one held by the liftarm nearby, the liftarm it is attached to is twisting 180 degrees, freeing up the transported balls into the next basket. Super reliable, impressive and fun to watch, this LEGO GBC module can be powered manually or via a motor. This LEGO Great Ball Contraption is also very fun to build (it can easily be built with kids) thanks to high-quality building instructions available on Planet GBC. Let’s go on a rotating ride!
Original design by: Rimo Yaona
Number of parts: 2133
Complexity for building: 
Price for Building: €€€€, expensive
GBC Ball Rolling Machine 12, on Rimo Yaona YouTube channel
Ball Rolling Machine 12 on Planet GBC channel:
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GBC Ball Rolling Machine 12 – from Rimo Yaona
339,00€
Note: picture illustrating the presented product is given as an indication to help you in your choice and is not contractual |
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GBC Ball Rolling Machine 12 – from Rimo Yaona Building Instructions + Parts List
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Why is this not motorised?
hello OMR, the module can be easily upgraded with a power functions M-motor plugged to a speed regulator. As mentioned to you on Rebrickable, I’ll issue soon as updated version of the instructions explaining how you can perform this upgrade