What's the Difference Between Prams, Buggys and Pushchairs? This Mamas & Papas model is a compact and lightweight pushchair that is able to navigate city environments. It can also be used to create an ideal travel system by incorporating the carrycot. It's great for rural terrain too, with foam-filled tires. https://pushchairs-and-prams-uk88301.humor-blog.com/29545383/3-common-causes-for-why-your-car-seat-pram-isn-t-performing-and-solutions-to-resolve-it