This versatile Mini MICRO scooter set grows with your child in stages from ages 1 to 6 years! Children as young as 12 months can begin to experience the fun of scooting while they develop their balance, coordination and motor skills. Stage 1: At approx. 12 months – Start out with the ride-on seat Stage 2: At approx. 24 months – Convert to a low-handled stand-on by removing the seat from the O-Bar Stage 3: Ages 3-5 years – Swap out the O-Bar for the T-Bar for the original Mini MICRO experience. Everything you need is in the box! Moms and dads love how the Mini MICRO makes scooting fun for their young child while helping them to develop motor skills, independence and a love for physical activity.