We bought our 6 year old son to Kettcar. This is super stable, the structure was very simple and the first impression is that this vehicle holds long. My son is 120cm tall and moves with hangers since it can run pedal vehicles which are heavily loaded. Nevertheless, he has to struggle with the weight of Kettcar yet, although that's indicated he's already 5 years. Schön is the Kettcar is very tilt-proof and can withstand the elements and terrain rides mühlos. In particular, recommended for all children strong