Chopper Balance Bike Metal, Wood Eco-Friendly: Made with wood harvested from a replenishable source, strictly using Non-Toxic Paints, Dyes and Lacquers and Formaldehyde Free Glue. Adjustable seat height to grow with your child Limited steering radius to prevent jackknifing Pneumatic Rubber Tires with extra long tube valves Rubberized handle bar grips Chopper-style balance bike with renewable birch wood construction and non-toxic building materials Rubberized handle bar grips for comfort Limited steering radius to prevent jackknifing Pneumatic rubber tires and spoke-less wheel discs for safety Recommended for ages two years old and up