This is the world’s first tricycle equipped with a rear wheel steering system. Loaded with many unique, patented features, the pioneering Happy-Navigator makes it easy for mom or dad to effortlessly guide the trike into any direction, just like a stroller. This tricycle also grows with the child and makes riding safe and fun for many years.
Kettler Kettrike HKS Happy Air Navigator with Push-bar w/Seatbelt - 6/18/2012 7:49:54 PM A video review of the Kettler's most popular tricycle, the Kettler Kettrike HKS Happy Air Navigator. A WhatSheBuys Kettler ...