This is a game of exercise wisdom and similar to Klotski. The game uses the classic play of Klotski, but it is more easy! Only one vacancy can be used, change those numbers one by one to take them back to the correct position, that is, the number turns red. This is an online HTML5 game presented by kacle.com, it's can be played in any Modern Browsers such as safari and chrome. You can play the game on mobile device.