Looking for kayou cards in Paris

Hello!

I'm going on a vacation to Paris during December, and for an early Christmas gift to myself I want to buy some kayou mlp boxes/packs. The problem is that I don't really know where to start looking. (Google didn't help at all) So those who live in France or just know, can you recommend me some card stores or retail stores (or even conventions or events) that sell kayou mlp cards? :}

Thank you in advance!♡