This balance bike has 4 different modes for kids to use: 2-wheel balance bike, tricycle, bicycle & auxiliary balance bike. Kids can promote their physical fitness, self-confidence, balance ability & h&-eye coordination during riding. Besides, this balance bike is also designed with height-adjustable handlebar (55 cm/59 cm) & seat (36.5-44.5 cm), which is ideal for kids of 85-110 cm. What's more, the handlebar has a limited steering of 120 degrees to prevent rollover. To offer kids smooth riding experience, the kids balance bike is equipped with light & wear-resistant EVA wheels, which can run on cement road, wood floor, grassland & asphalt road. On the other h&, we also design it with soft PU seat, cushioned handlebar & footrest design for more comfort. & the carbon steel frame also keeps it durable & sturdy. 4-In-1 Kids Training Bike: This multi-purpose kids bike can be converted into 4 different modes: 2-wheel balance bike for 2-3 years old, auxiliary balance bike f