In the charms class turn towards the door and look up. You will see a Fipendo symbol. Hit it to get a wizard card

When your in the wand shop in the beginging he will take you to a room where you have to gain the fliplendo spell book. Jump of the edge and serch around the floor for bertie botts every flavor beans and look every where for them and if you keep looking in the wand shop you can find 45-50 beans