The ABC Adventure Buggy Everest is designed for maximum comfort for your newborn baby up to approximately 4yrs of age. Your single ABC Buggy is easily and quickly adapted when you have your second child with the addition of the ABC Toddler/Newborn Seat. The Single ABC Adventure Buggy can also be converted from a 3-wheel jogger to a 4-wheel pram offering more stability on uneven surfaces. The Everest Buggy will make travelling with your baby a breeze, suitable for joggers, mountain terrain, sport and more. The Single Adventure Buggy will even fit through a standard Supermarket Checkout!