https://nz.mountainbuggy.com/products/car-seat-adapter-for-urban-jungle-and-terrain-to-suit-protect-alpha-and-other-maxi-cosi-style-connections

Ready to roll from car to buggy! Convert your urban jungle, elite, terrain or +one stroller into a travel system.

This car seat adapter will allow you to attach the following car seats (other models not listed may also fit) to your urban jungle, terrain or +one strollers.

Mountain Buggy protect (2015+ models only) and protect i-Size phil&teds alpha (2015+ models only) and alpha i-Size Maxi-Cosi CabrioFix (2015+ models only) Maxi-Cosi Pebble (2015+ models only) Maxi-Cosi Mico (2015+ models only) Maxi-Cosi Mico AP (2015+ models only) Cybex Aton and Cloud (2015+ models only) Nuna Pipa