I have a skip hop baby seat, gently used. $20

https://www.skiphop.com/skiphop-playtime-and-toys-view-all/V_304185.html

I also have a skip hop jumper gently used, converts into play table. $40 

https://www.skiphop.com/skiphop-playtime-and-toys-view-all/V_303325.html

Porch pickup. Cash or Venmo.