Balance bikes are designed with only foot propulsion to teach the fundamentals of riding. The Strider 12 Sport is the most popular Strider model. Durability and a wide range of features make the Sport perfect for itty-bitty riders starting out at 18 months to growing 4-5-year olds perfecting their balance and riding skills! With a decade of design evolution and manufacturing improvements, the 12 Sport is the best performance and value. A step up from the entry-level Classic model, the Sport includes additional features for both parents and children! The patented steel frame and puncture-proof tires require no maintenance. Seat and handlebar height are quickly adjustable without the use of tools. By starting out on a balance bike, your child will develop balance, coordination, and confidence!