Great Ball Contraption(GBC) at Japan Brickfest 2017
Great Ball Contraption(GBC) at Japan Brickfest(JBF) 2017 Fan Weekend.June 10-11, 2017 Rokko Island Kobe 23 GBC modules are built by four persons. 250 balls are used. Akiyuki (13 modules) Takanori …
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