Citadel K’NEX Ball Machine

4 Stars

Behold, Shadowman39’s mechanical masterpiece. The appropriately-named Citadel is an imposing K’NEX great ball contraption that splits into 17 different paths. Shadowman says it took him a total of 1 year to finish, mostly building on the fly. More here.

Citadel K’NEX Ball Machinepop out

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