Adapt to take 2 this double kit transforms from a second seat to a lie flat bed on or off the buggy making voyager the complete siblingtwin ready solution just pop the double kit in the back or even the front you are awaylaughing with 2 cheerful children voyager buggys second seat is just as adaptable as the main seat the double kit converts to lie flat mode so 1 or 2 newborn babies can rest on off the buggy as your 2nd baby grows the double kit converts back to an upright strol