kickstarter 上面看到的方塊 - 魔術方塊

http://www.kickstarter.com/projects/ifchicago/the-magic-cube-a-mathematic-3d-logic-puzzle

縮 http://goo.gl/0QQ5OR

全鋁合金的方塊

六面都是神奇的數列


--
Exception up = new Exception("Something is really wrong.");
throw up; //ha ha

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