Put your tot in the seat of the world's safest 3-wheeler! Happy Navigator Kettrike is the first push-bar tricycle with true rear-wheel drive. Simply engage front Parental Control Steering Lock to activate system and gain full control from the push bar. Slide the lock off, remove the push bar, and the child can now pedal and steer. Precision-made in Germany, the Happy Navigator features a Quick-Adjust steel frame with limited turn radius and Safety-Trax wheels, and is backed by a 3 year warranty. For ages 1-5 years.