One Co-pilot child seat, free because a missing part to fix to bike - not a main one, I think it's a fairly standard bolt and nut.
WeeRide Classic. This is a center mounted seat for small children, ours were in it as soon as they could sit unaided (6mths) £45 (RRP c.£70)
Call Jody 811623 or message here. Happy for you to come look before deciding.