| 摘要 |
PROBLEM TO BE SOLVED: To provide an intellectual training toy for a dog which does not allow a dog to learn an efficient way of taking out a favorite article quickly and can continuously keep the dog interested.SOLUTION: An intellectual training toy 1 for a dog disclosed in the invention includes a cylindrical inner container 10 which can house a favorite article in the inside and a cylindrical outer container 20 which can fit the inner container 10 in the inside. The inner container 10 has an inner opening part 11 in a prescribed angular position on a circumferential surface, and the outer container 20 has an outer opening part 21 in a prescribed angular position on a circumferential surface. At least one of the inner container 10 and the outer container 20 has the inner opening part 11 or the outer opening part 21 of a different opening area in an angular position other than the prescribed angular position. The inner opening part 11 and the outer opening part 21 form an opening part 2 from which the favorite article is discharged by being superposed on each other. The inner container 10 can be fitted by changing the orientation in the circumferential direction with respect to the outer container 20, and the opening area of the opening part 2 can be changed by changing the orientation of the inner container 10 in the circumferential direction. |
