The 6x6 CyberCube (Blue Box) is the best for building; it's our most preferred size. This CyberCube comes with 216 spheres that are 6mm in size. We suggest this puzzle for all novice and experienced builders.
Nothing will hold you back building with this puzzle. Once you get your hands on the 6x6 CyberCube you will never build with anything but the 6x6 CyberCube.
Each CyberCube comes with a manual visually showing how to rebuild the Cube.
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