Voltaic Lion Kids Dirt Bike 16" wheels, young riders can explore more varied terrain and more advanced riding skills - in addition to a 13 mph top speed. Lion is the perfect choice for little riders with some experience on a balance bike and are a little taller and/or more familiar with riding electric balance bike and need a larger platform. Lion inseam of 18” or more allow the rider adequately touch the ground with a slight bend in the knees for optimum sizing. As they continue to develop skills, the top speed of Lion allows for an exceptional amount of fun outdoors, getting thousands of hours of hand-eye coordination, balance, and dirt bike race fun exercise. NYC consumers please review fire safety info available here: https://www.nyc.gov/site/fdny/codes/reference/lithium-ion-battery-safety.page