The main tower of Ball Rolling Machine 20, the LEGO Great Ball Contraption by Japanese designer Rimo Yaona, will drive you nuts. This huge ball machine features an incredible mechanism: 24 panels slide from left to right in perfect harmony to push your favourite basketballs and footballs to the top of the GBC module. The movements of the sliding blocks in a beautiful lime colour form a vertical wave that will catch your sight and fascinate your friends and children. This LEGO ball machine is also equipped with a stepper and a very clever and innovative ball feeding mechanism. I let you discover this wonderful construction on Planet GBC or on the Rimo Yaona channel. You can now integrate this huge creative construction in your GBC circuit thanks to the building instructions and the ready-to-build LEGO kits available from Planet GBC. Amazing!
Original design by: Rimo Yaona
Number of parts: 2968
Complexity for building: 
Price for Building: €€€€, expensive
Ball Rolling Machine 20 on Planet GBC channel:
Ball Rolling Machine 20 on Rimo Yaona channel:
Buy GBC Ball Rolling Machine 20 as a Ready-to-Build LEGO set
GBC Ball Rolling Machine 20– from Rimo Yaona
- Set with ALL bricks required
- 100% Genuine LEGO bricks
- Price includes Building Instructions
- Available on our partner website BuildaMOC.com
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 20 – from Rimo Yaona
Building Instructions + Parts List
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