They say the wand chooses the wizard, but why are they so important? The wand is a necessary item for any wizard. Your wand is unique to you, and you will never get very good results when using another wizard's wand. Wands are used daily at Hogwarts School of Witchcraft and Wizardry. There are many spells you can learn and perform with your wand that are very useful. One of the best places to buy wands is Ollivander's. Mr Ollivander remembers every wand he ever sold and which person he sold each one too. Different kinds of wands are good for different kinds of magic. For example, James Potter's wand was good for Transfiguration.