When his cat (or his dog, which should be so small that it can not bite into the ball) wants to Keep the fun from your sofa is in Sphero a nice tech toys, and there is probably also for effective solutions. My children had fun with it but some time together. But even for techinkinteressierte big game "children" the game motivation for the price is too short. For 40 euros the ball with ihrerem quite mature stage would be in small numbers probably not justified, but from game more appropriate. Technically, there is nothing to complain about. Except when he rushes against reserves somewhere actually getting its alignment with, can be loaded well and connect via Bluetooth. For the hard-coded Figuen in the standard program but you need more of a ballroom than a normal living room. Of the apps actually are only worth what 2 (but which are good), others are more gimmick or immature. Conclusion: everything technically top, software (plural) well to well, gameplay too short for the money SUPPLEMENTARY after about 12 months: Lange has not kept the expensive part. Although blinking on the charger even - but no longer loads. In one third of the price I might have said anything, but at the price level I'd like something from a long acquisition.