Store
The last room you visit is the "Espace Accueil - Boutique". Here you'll also find a variety of interesting items:
the Vitrine aux Flacons, the Armoire aux 1001 Robes de Soirée, the Mur des Activités the famous Bar à Parfums, the Chariot aux Vilains & Vilaines ...
Look for QR-Code 23, it's in the Flask Showcase