Harry Potter Mystery Minis Mini-Figures Set of 12 J.K. Rowling's iconic characters have received the Mystery Minis treatment! All your favorite characters have stepped out of Hogwart's halls and into your vinyl mini-figure collection. Each figure measures approximately 2 1/2-inches tall. Accio fun! The Harry Potter Mystery Minis Mini-Figure Display Case includes 12 individually blind boxed mini-figures.