Above:Brainball, out of package.
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Spin the number ring, and twist the ends to flip seven of the thirteen numbers over.
The puzzle consists of a ring of thirteen numbered wedges looping around a sphere, much like the MagNif Saturn Puzzler. But instead of a twist of the sphere flipping half the numbered wedges, the twist flips four on one edge and three on the other edge.
There are at least three minor variants: ball can come with either black centre and blue end caps, or vice versa. The blue centred version can also be missing the embossed surface, being smooth instead of having the embossed "eye".
There are at least three variants with colored bodies. The dark blue/black one is most common. A version with light blue is known as another one depicting a soccer ball.
This item is currently on sale at Rubiks.com. Check in the "Best of the Rest" category.
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