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. Ages 8 to Adult Availability: Usually ships the next business day. 5460TF FREE GROUND SHIPPING ON ALL ORDERS OVER $75.00. Please entry FREESHIPPING in the coupon box on the second page of the checkout. Offer valid for the 48 contiguous states. Certain oversize and drop ship items are excluded.