Research shows that children who learn to ride on balance bikes transition to riding pedal bikes at a younger age than youngsters who learn on bikes with stabilisers. For this reason these Xootz balance bikes are a must have for any child learning to ride. Balance bikes work well because, unlike stabilised bikes or tricycles, they teach children to balance an early stage allowing children to become skilled and confident at a much quicker pace. 10; EVA wheels. Steel frame. Weight when fully assembled 2.3kg. 15.5 inch frame size. 10 inch wheel size. EVA puncture-proof tyres. Compatible with stabilisers . Steel frame. Suitable for ages 3 years and over. Minimal assembly. WARNING(S): Not suitable for children under 3 years old. To be used under the direct supervision of an adult. Protective equipment (helmet, knee pads, elbow pads and wrist guards) should be worn, not to be used in traffic.