Enjoy the freedom of flexibility! Keep your baby close to you in the top crib, while your toddler can get in and out of the bottom seat independently. You need these adapters to use the Joolz Geo3 as a duo stroller with a bassinet in the upper position and a seat in the lower position. Once confirmed, you can easily adjust the layout to suit your family's ever-changing preferences.Joolz x Maxi-Cosi® car seatAviator PixelAviator Pixel ProJoolz iZi Go Modular by BeSafeBeSafe iZi Go Modular X1Britax Romer Baby Safe IsenseBritax Römer Baby Safe i-sizeBritax Römer Baby Safe 3 i-SizeBritax Romer Baby Safe iSenseClek LiningCybex Aton MCybex Aton QCybex Cloud QKiddy Evolunafixkiddie evolutionMaxi-Cosi CoralMaxi-Cosi Coral 360Maxi-Cosi Coral XPMaxi Cosi CabriofixMaxi Cosi Mico 30Maxi Cosi Mico APMaxi Cosi Mico MaxMaxi Cosi Mico XP MaxMaxi Cosi PebbleMaxi Cosi Pebble 360Maxi Cosi Pebble ProMaxi Cosi RockMaxi Cosi TincaNuna PipeNuna Pipa LiteNuna Pipa Lite LxNuna Pipa Lite RNuna Pipa Lite RxNuna Pipa NextSwandoo Albert