This is an automatically translated description

Rosey River knows all too well what it's like to have a hit, a miss, and a dud. But she is not lacking in perseverance either. But life throws a very responsible and challenging project at the young inventor. Auntie Rose and her friends have asked her to design something unusual, and they are sure that Rosie is the perfect candidate for the job. But unfortunately, Rosie is about to suffer a setback. After a string of failed experiments, the inventor is ready to give up. Will Rosie succeed in creating a miracle device? Let us reveal a secret: of course she will, because the young inventor is very lucky to have friends.

For children of primary school age.