This LOL-FUN model changes between a wider rear-wheel tricycle arrangement, pedal-free two-wheel balance practice and a pedalling setup. The manufacturer states ages 10 months–4 years and a 66 lb maximum, while advising parents to check inseam suitability. No numeric saddle range is given, so test whether the child can sit, steer and place both feet down before deciding; age alone is not a fit check. The rear wheels and pedals need to be set for the selected mode, so follow the maker’s conversion instructions before use. The 4-in-1 offer is not the separate 5-in-1 model with a parent steering handle. Families gain several configurations, with more setup decisions than a fixed single-mode ride-on.