4 TRICYCLES IN 1: This tricycle grows with your child through different riding stages, making it the ideal learn-to-pedal vehicle. Easily convert between 4 growing stages by removing the accessories AGES 9 MONTHS TO 5 YEARS: The 4 stages include toddler trike (9 mos. – 18 mos.), steering trike (18 mos. – 24 mos.), learn-to-ride trike (2 – 3 yrs.), and classic trike (4 – 5 yrs.)