SAFE MATERIALS:The balance bike design is smooth and no sharp edges anywhere, no harm to your baby's skin. Strider balance bike with comfortable padded seat, safe and odorless, shock absorbing and hip protection.This balance bike 1 year old has passed ASTM, CPSIA, and EN71 tests, and is BPA-free, lead-free, suitable for toddlers to ride easily. BALANCE TRAINING: Toddler bike are recommended ages for 12-24 months. 1 year old boy girl toys can stimulate baby's motor talent, improve balance perception. Pedal-less design, steering by gravity, effectively exercising the ability to balance, steering and coordination, so that babies gain confidence from baby toys 12-18 months. Mastering motor skills is the first step to learning to ride a bike!