Used for divination, Runes are an ancient Norse alphabet that goes far back to the teachings of Odin. Each symbol represents a sound and has a meaning such as prosperity, danger, growth, pain, and many more. Each set has 25 mini pieces.Runes are small, averaging around a centimeter or so across. Please see pictures, quarter is for size reference. Due to the nature of this product, size, shape, and color may vary.