Because those are real wands and not just toys for people pretending to be witches! These things are dangerous!!!Wait... what? First of all - there’s a shop in Huddersfield selling nothing but - “real wands”?
(Apparently no - it sells all kinds of esoteric crap, but also wands that look - suspiciously similar to the ones in Harry Potter. So they..... kinda ignore a huge clientele....)