The Garden Adventure Picnic. The Garden Adventure Picnic is a WellieWishers accessory released in 2019. Retail cost is $25. Contents[show] Basket Blanket Sandwiches Smoothies Kabobs Trays This section or article is a stub. You can help American Girl Wiki by expanding it. Retrieved from "https://americangirl.fandom.com/wiki/Garden_Adventure_Picnic?oldid=88110" Categories: Article stubs WellieWishers WellieWishers Outfits and Accessories Meals and Food Items Released in 2019 Community content is available under CC-BY-SA unless otherwise noted.