Hi Alice, yes the Maxi Cosi Mico AP will fit the Out ‘n’ About Little Nipper with the use of the Maxi Cosi Car Seat Adapters. If you follow the link: https://www.babyonthemove.co.nz/on-the-move-/single-buggy/car-seat-adaptors/out-n-about-car-seat-adaptors this will take you through to this product available to order online. Alternatively, if you follow the link https://www.babyonthemove.co.nz/store-locations/ this will take you to our online store finder. Here you can find contact details for your nearest Baby On The Move Store where one of our team experts will be happy to assist you in your product search and help answer any further questions you may have. We hope this has helped with your query.