A scooter including a footboard, a rear wheel, a front wheel rod fastened to the front end of the footboard in conjunction with a folding member, a handlebar fastened to the top end of the front wheel rod, a wheel frame fastened to the bottom end of the front wheel rod, and a front wheel member fastened pivotally to the wheel frame and formed of three front wheels to stabilize the scooter in motion. Two of the three front wheels are in contact with the ground surface, with the remaining one front wheel being pivoted over the two front wheels such that the remaining one front wheel is capable of swiveling to come in contact with the ground surface at the time when one of the two front wheels encounters an obstacle. The folding member enables the front wheel rod to swivel toward the footboard so as to facilitate the storage or transportation of the scooter.