This is what we used and we loved it. Joovy has a snap n to stroller with a third seat. I recently met a lady with twins and an older toddler and she swore by this thing. Joovy Big Caboose Graphite Stand On Triple Stroller, Black https://www.amazon.com/dp/B01GFHA71I/ref=cm_sw_r_cp_apa_i_twnuDbPZG8JRF