It still fits in the palm of your hand, still has six primary colors, and still requires subtle wrist movements to manipulate. But this time, there's only one solution, and it's less about a bunch of mathematical algorithms than elementary gravitational physics.

Instead of shifting rows of squares to fully align six surface colors, the Rubik's 360 requires you rotate six tiny colored balls around a transparent sphere, tipping them into matching receptacles. The trick? You have to coax them all into place without expelling the ones you've already secured.

Where can you get one? Think when. The device debuted a few weeks ago at a German toy fair, but it won't go on sale until this coming August.

Matt Peckham's only ever managed to get three of the original cube's sides color-squared. You can tease him at .