Maxi-Cosi Mura 4 with BuggyBoard Mini | Lascal Ltd.
Bugaboo Donkey Maxi-Cosi Twin Car Seat Adapter
Maxi-Cosi Mura 3 with BuggyBoard Maxi | Lascal Ltd.
Amazon.com: Car Seat Adapters for Ridge (Maxi-COSI®, Nuna®, Cybex, BeSafe®, and Joie) : Baby
Amazon.com : Lascal BuggyBoard Universal Stroller Board, Fits Strollers Including UPPAbaby, Baby Jogger, Bugaboo, No Need for a Double Stroller for Infant and Toddler, Max Weight 66 lbs. (Maxi, Black) : Baby
Car Seat Adapters for Maxi-Cosi, Nuna, Cybex & BeSafe | Babylist Shop
Amazon.com: Elittle Baby Car Seat Adapters Compatible with Multiple Models of Car Seats for Maxi-COSI,Nuna,Cybex,Besafe, The Bottom Must be Attached to The Elittle Emu Stroller : Baby