Load 'em up! Radio Flyer Ultimate Comfort Wagon ($180). The Affleck girls looked comfy eating snacks while they sat on padded seats under the cart's sun canopy. Wagons are great because they have ample storage space for parents and plenty of room for tots to stretch out or play. The top-of-the-line Ultimate Comfort Wagon boasts flip down seats, molded cup holders, and insulated side storage bags that keep snacks cold. How do you cart your kids around when you have errands to run?