Cube puzzle Mefato Professor devised! It is the difficulty up version of 3D gear cube. Movement of three-dimensional gear is interesting! ! Turn to the previous work to be able to enjoy easy, it is puzzle cube of transcendence degree of difficulty. So difficult really, I recommend only for those who are confident in the arm. Range of motion is increased by reducing the edge cube-shaped gear which is the most important feature of the [Features] 3D gear cube like (gear). -Movement of three-dimensional gear is interesting! !
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