● Adjustable seat and handlebar for kids of different ages● Removable training wheels ensure a triangular frame for stability● Hand brake and coaster brake (pedal backwards to stop) realize full control● Fully enclosed chain guard protects kids from pinch injuries● Wheels are anti-slip leak-proof wear resistant and puncture-proof● Detachable doll seat allows kids to carry teddy bears for an adventure● Wheel reflectors front and rear reflectors to warn others to give way● Comfy TPR grips and cushioned saddle for essential comfort during riding● Has passed the ASTM certification and CPSIA certification● Applicable to the speed bump cement floor boardwalk grass and more