| 摘要 |
PROBLEM TO BE SOLVED: To provide a pendulum device having excellent decorativeness. SOLUTION: This pendulum device equipped with a pendulum 300 and a light source 500 lighting in response to the rocking of the pendulum 300 has a formation in which a light transmissive part 330 for transmitting light is installed on the pendulum 300 and the light source 500 emits light from behind a rocking region of the light transmissive part 330 and lights when the light transmissive part 330 passes by the front of the light source 500. Diffraction grating plates 331, 332 can be installed on the light transmissive part 330.
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