What's the Difference Between Prams, Buggys and Pushchairs? A nimble and lightweight pushchair, this Mamas & Papas model nips effortlessly through urban environments and can be used as part of a travel system with the addition of a carrycot. It's ideal for rural terrain too, with foam-filled tires. The flat lying-flat position of a pram is ideal for infants as it allows them to breathe and grow. These types of prams usually have an attachment for a bassinet or cocoon. ...