This fantastic Fisher Price scooter can be used as a 2 wheel or 3 wheel scooter. For extra stability, use a 3 wheel scooter and then progress onto a 2 wheel. To use as a 2 wheel scooter, invert the two back wheels to create one large wheel. The handle bar height is adjustable to suit different children of different heights and the large front wheel with rubber thread gives extra stability. Weight restrictions 20kg. Full assembly required. Made from plastic and mild steel. For ages 3 years and over.