The Rollplay SPIN TRIKE lets mom take children for a stroll in style and comfort. The lightweight corrosion resistant aluminum frame makes pushing and riding a breeze. The multi-stage easy conversions allow the product to grow as your child grows and eventually becomes their favorite tricycle! Stages 1.Stage 1 Stroller 9+ months Parents pushes child with rear facing seat. Mom controls steering. 2.Stage 2 Ride and Pedal 18+ months Toddlers can learn how to pedal, parent still steers 3.Stage 3 Learning Trike 24+ months Kids start learning to steer and pedal a real trike while parents can push assist 4.Stage 4 Classic tricycle 30+ months Kids are on their own to have fun riding around town!