A PERFECT TODDLER BIKE - This kids balance bike is one of the best balance bicycles for your kids for building confidence to practice bike handling skills and learn balancing and steering. Perfectly designed and bundled with helmet for boys and girls ages 1-3 years old. Introduce a new and fun riding experience to your kids. Accompany your child s growth while playing and riding on the toddler balance bicycle. HELMET INCLUDED Each balance bike includes a high-quality helmet that fits most children aged 2 to 5 years old with a head circumference of 48-54 cm / 18.9-21.3 in. Having a helmet to protect your child is essential when they are first learning to ride a bike.