The Birthday Cart and Treats Set. The Birthday Cart and Treats Set was a WellieWishers accessory released in 2017 and retired in 2019. Retail cost was $48. Contents[show] Cart Cake Platter Cake Top Cake Slices Gift Box Doilies Cake Server Paper Hats Napkins This article (or section) is a stub. You can help American Girl Wiki by expanding it. Retrieved from "https://americangirl.fandom.com/wiki/Birthday_Cart_and_Treats_Set?oldid=90637" Categories: Article stubs WellieWishers WellieWishers Outfits and Accessories Accessories Modern Accessories Meals and Food Items Released in 2017 Retired Accessories Community content is available under CC-BY-SA unless otherwise noted.