2nd Seat Kit

Our 2nd Seat Kit allows you to expand your stroller as your family grows. With plenty of arrangements between the top and bottom positions for children of all ages (infants, toddlers, and everyone in between), everyone can be comfortable as you stroll around together as one happy family.
The 2nd Seat Kit lets you expand your Single-to-Double Stroller to accommodate two kiddos. The 2.0 model includes a larger extendable canopy and updated harness for easier strap adjustment.

Mockingbird 2nd Seat Kit (2023 model) on Marmalade

Baby jogger city select second seat kit - black frame - black

Mockingbird 2nd Seat Kit, Black, 2020

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Mockingbird stroller second seat

2nd Seat Kit

Baby Jogger City Select® 2 Second Seat Kit - Little Folks NYC

How do I know my Mockingbird 2nd Seat Kit is installed correctly

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Baby Jogger City Select 2 Second Seat - Peacoat Blue

2nd Seat Kit

Mockingbird 2nd Seat Kit 2.0, Silver with Penny Leather, Windowpane, B