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.
Upcoming GBC Events
- Makevetion, Bloomington, Indiana, US, August 29, 2015
- BrickCon, Seattle, Washington, US, October 3–4, 2015
- Greenfield Brick Expo, Greenfield, Indiana, US, October 10–11, 2015
- Brickworld Fort Wayne, Indiana, US, October 24–25, 2015
- Brickworld Lafayette, Indiana, US, November 21–22, 2015
- Brickworld Indy, Indiana, US, March, 2016
- Brickworld Chicago (USA), June, 2016
- Skaerbaek Fan Weekend, Skaerbaek, DK, September 25–27, 2015.
- LEGO World Netherlands, Utrecht, NL, October 21–27, 2015.
- Brick 2015, London, UK, December 11–13, 2015.
- BrisBricks Chandler, Brisbane, AU, October 3–5, 2015.
- Brickvention, Melbourne, AU, January 16–17, 2016.
- Other GBC Articles
- List of great ball contraption resources
- Building Techniques
- Lift mechanism
ContributingBrickimedia, so your Brickimedia account is all you need. How you can make this site better:
- Spread the word!
- Check out the Forums, especially the Community Discussion.
- Browse the Something needed category.
- Read the Manual of Style for guidelines on editing articles.
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