| 摘要 |
PROBLEM TO BE SOLVED: To obtain a playing tool for a pet, capable of making a pet such as a cat or the like play with it by a human and introducing the pet to a fixed position. SOLUTION: A light source 2 for throwing a visible light by a laser oscillator is set in a main body 1 graspable by a hand and an optical means 2A for enlarging a thrown light flux in a linear state and irradiating a projection face with the enlarged light flux in a linear state. |
