Brainteaser Challenge; 1 Player by ThinkFun
The Flipping, Sliding Brainteaser Challenge. The newest in our line of exciting brainteasers, it's one of our most unique single-player challenges yet. The object is easy: Line up the number tiles from zero to nine. Slide the rows to move the tiles then flip the cylinder to reverse the top and bottom numbers. Catch is, six of the ten numbers reverse at one time. This flipping, sliding, take-anywhere teaser is not only tough to solve, but it's tough to put down as well! Slide it, flip it, solve it.
Features: Built-in number tiles and rotating cylinder, ergonomic, easy-to-grip handles handles, convenient travel-and-storage box.