Multiple choice general knowledge What is the size of Harry's wand? Thirteen and a half inches Ten and a quarter inches Eleven inches Twelve inches Reveal answer Fill a bubble to check yourself C Correct answer Explanation Harry's wand, like his father's before him, is exactly 11 inches long made of holly with a phoenix feather core from Fawkes. This is a well-documented fact from the first book when Harry visits Ollivanders wand shop in Diagon Alley.