| 摘要 |
There is disclosed a bubble making device including a outer ring comprising a plurality of projections 21 formed along a circumference thereof and a retaining groove 22 formed in an inner circumferential surface thereof, a handle 30 connected to a predetermined portion of an outer surface of the outer ring, an inner ring 40 having a smaller diameter than a diameter of the outer ring, the inner ring 40 comprising a plurality of projections 41 formed along a circumference thereof, and a connecting bar 50 extended from a predetermined portion of the inner ring, with a length having a center of the inner ring eccentrically arranged from a center of the outer ring. |
