I have now finally ordered me the knife. At first I was quite surprised that it was not delivered by the postman, but personally rang my front door. After it has even been unpacked by itself, I was able to discover with enthusiasm that the integrated sunbed even works with batteries. Not even an outlet is therefore necessary. Alternatively, the current may however also be produced by adding full throttle on the also integrated exercise bike, but this is admittedly quite strenuous. Apropo Hometrainer: My best friend, who has also had the knife, his Hometrainer not initially found. He is a little hidden fact. Hint: Just push the cabinet wall to the side and look at the integierten time machine. As a tiny point of criticism should also be noted that the "Best of DJ Bobo" CD (located to the right of the Sprinkler System) at 64 song always jumps. However, do not know if it is up to the CD or to the also integrated Juxebox which is pretty shaky on the flying carpet. All in all I can Giant Knife with its 674 321 043 230 functions but really recommend it. Games lovers should not miss the round Rubik's Cube (really tricky!) And the skittles with the triangular bowling ball try (the bowling alley in the basement, fourth door on the right). But beware: highly addictive! Once you've started it, one would not stop playing. Who then needs a break to go to relax best in the swimming pool. This is, however, unfortunately, quite far from the bowling alley. Best to take the bus (the 17 stops both at the bowling alley as well as the pool and is part of the basic equipment of the knife to).