As one of the largest retailers in the world, Walmart certainly has the resources to offer a wide variety of products, including shadow boxes. However, while they do sell some picture frames that could be used for this purpose, they do not currently offer any dedicated shadow boxes.
This may be due to the fact that shadow boxes are not as popular as they once were, or it could simply be that Walmart has not yet gotten around to stocking them. In any case, if you’re looking for a shadow box, you’ll likely need to look elsewhere.
Shadow boxes are popular among collectors and hobbyists as a way to display and protect their items. While Walmart does sell some picture frames that could be used for this purpose, they do not currently offer any dedicated shadow boxes.