I've just started selling harry potter themed potions in my store, and could use some advice about what kind of potions people would be interested in, especially for sets of them.
You can check out all the ones I have so far here:
https://www.etsy.com/uk/shop/MyriadMarket?section_id=17722472&ref=shopsection_leftnav_1Any advice on what I can improve on?