ZDF Magazin Royale S00 E70 Balls of Steel KIDS - My friend Conni (is super annoying)

Sure, parents always think their own child is the best. But it gets really annoying when these children are also incredibly self-confident. One of them is Conni, the main character from the Conni booklets, which you think are free (unfortunately, they're not; you actually get banned from the school if you don't pay for them!).