| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a floating underwater toy that can not only float on the water surface but can float underwater. <P>SOLUTION: The floating underwater toy T includes a toy body 1 having a cavity 10 inside, and an opening 11 provided to face the cavity 10. The toy body 1 is smaller in specific gravity than water. <P>COPYRIGHT: (C)2012,JPO&INPIT |
