Blue Ball Machine - Videos
LEGO Great Ball Contraption (GBC) Layout 2012.9
LEGO Great Ball Contraption (GBC) Layout 2012.9
The Best Contraption - Brilliance Unleashed
The Best Contraption - Brilliance Unleashed
Purdue team smashes Rube Goldberg world record
Purdue team smashes Rube Goldberg world record
Big Blue Ball Machine
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