Great Ball Contraption Wiki
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From The Great Ball Contraption Wiki
A GBC Collaboration

Welcome to The Great Ball Contraption Wiki, a part of the Brickimedia network!

What is a Great Ball Contraption?

A great ball contraption (GBC) is a machine which receives soccer balls or basketballs from one module and passes them to another module, rather like a bucket brigade. Modules built according to the GBC standard can be assembled into a collaborative display without pre-planning or modification. The GBC standard is minimal, permitting the builder great flexibility in designing the mechanism by which balls are moved from the input to the output. The otherwise pointless handling of balls, and the myriad ways this is accomplished, gives great ball contraptions the impression of a Rube Goldberg machine.

a stair stepper module


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Latest reply

building instructions.

Posted by Maico on 26 August 2015 at 14:25.
Forum: Great Ball Contraption > Customs

13 963 On 10 February 2016 at 15:42
by Maico

Establish a LUG

Posted by ToaMeiko (administrator) on 2 August 2015 at 20:13.
Forum: Community > Community Discussion

16 429 On 10 February 2016 at 11:33
by Maico

Table-spanning module

Posted by Captainowie on 26 September 2015 at 13:41.
Forum: Great Ball Contraption > Customs

48 863 On 21 January 2016 at 11:08
by Torso