This game requires the player fixes, logical thinking. The rules are extremely simple and are well explained in the Instructions. Individual games are entertaining and ended relatively quickly. It requires virtually no preparation- or construction time. The game can be with the entire family or even for two or even play alone. Very good is the app for the game, which is helpful. So you have during the individual games do not ever look at the hourglass, because the app has a timer, whose duration can be adjusted at will. In addition, the timer beeps, so that all players know at the same time that the time has expired. Also solutions for tasks that you could not solve during his playing time, you can look in the app. There are two different levels of difficulty. The manufacturer recommends 8 years as Altersuntergranze. But the easy version of the game can certainly cope even 7-year-old children. Visually, the whole game is very well presented and it's fun to play a round of fast times.