If you’re going to sign up for a Harry Potter subscription box, you’ll want to pick one that’s worth the investment. Here’s how we narrowed down your choices:

Cost. Urban detox club Subscription boxes aren’t usually cheap, but if you regularly spend money on a specific kind of product like fan merchandise, they can save you money over time as long as they aren’t exorbitantly priced. With the exception of the Wizardry Wand box, which is only about $25 per month with shipping, all of the boxes included on this list fall into the $30 to $50 price range. That means most of them could fit comfortably into many HP fans' monthly budgets.
Source: https://www.urbandetoxclub.com/best-harry-potter-subscription-boxes/
Quality of Items. Anyone can buy Harry Potter tchotchkes and plastic novelty items at your local dollar store. If you’re springing for a subscription box, then you probably want collector’s quality stuff. Many of these boxes contain licensed Disney items, while several others make an effort to include products from small, independently-owned shops. Either way, the boxes contain unique, high-quality items that are hard to find in chain stores.
Available in the U.S. Since Great Britain is Harry Potter’s place of origin, there are plenty of U.K.-based subscription options, but not all are available to ship to the U.S., or else they would drain your wallet with shipping fees. All of the boxes we chose are either produced in the U.S. or ship here for a nominal cost.