They are super easy to change into the different bike modes… Push Bike / Balance Bike / Pedal Bike. They are lightweight, portable and foldable… perfect to take with on holiday or to the park. Ages: 1-4 Years Old (max 20kgs) 3 in 1 Design: Easy adjustable functions & with removeable pedals Durable and Strong: Non-slip handlebar; Comfortable seat; Durable wheels & Sturdy frame. Adjustable seat: The adjustable seat height is specially designed for children from 1 to 4 years old. Safety design: Fully closed wheels to prevent child’s feet from being caught. What a cool way to teach your little one to ride a bike! *Packaging – delivered unassembled securely wrapped in bubble wrap*