Line up the numbers in sequential order by sliding the tiles and flipping the cylinder to reverse the numbers on top and bottom. Each time you flip the cylinder, you reverse six of the ten numbers. The puzzle starts with several tokens out of order. To solve, simply slide the tiles and flip the cylinder until all numbers are in order, zero through nine! Once you solve Flip-Side, just give it a scramble and try again... and again... and again! Look for six additional recommended challenges inside the box.