These Are the 10 Baby Products We Couldn't Live Without This Year

After just a few months of using a two-piece travel system, in which you'd have to laboriously maneuver a bulky car seat and a separate hard-to-fold stroller, you'd likely be exhausted at the idea of going anywhere that involved both a car ride and a stroll. But this Doona infant car seat that unfolds into a stroller ($499) makes those transitions so much smoother . . . and a whole lot lighter.