Official Harry Potter merchandise. This Harry Potter Wizard Chess Set is a beautifully designed chess set based on the iconic film sequence at the end of Harry Potter and the Philosopher's Stone. Definitely not one for the Potterheads amongst you to miss out on. Contains 32 pieces – 16 white, 16 black. Pieces measure between 5cm and 12cm tall, approx. Board measures approx. 31cm squared.