Rei-kyō () is an ancient type of Japanese round bronze mirror made in the late Kofun period (5th – 6th century). The mirror is so named because it has bells around its perimeter.
History Rei-kyō is a Chinese-style bronze mirror made in the Japanese archipelago, whose perimeter is surrounded by four to ten bells with pebbles inside. Chinese-style bronze mirrors made outside of China are called , and rei-kyō is one of them. It is an instrument intended to make sound, and haniwa (clay figurines) with a mirror of this style on their waist have been excavated. Rei-kyō loses its original purpose as a mirror, and this fact suggests that mirrors were regarded as tools for spells in Wa at that time.
In popular culture The Pokémon Bronzor is based on a rei-kyō.
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