摘要 |
<p>The device (10) has a container (14) formed with a bottom wall (14a), a peripheral wall (14b), and an opening (14c). Magnets (16) are arranged on the container. The device also includes a grip portion (20) also provided with magnets (22). The magnets are arranged to couple with each other when the device is set on a wall of an aquarium.</p> |