| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a toy ball, for instance, used for playing catch in a room. <P>SOLUTION: The body of this toy ball is a styrene foam ball. A weight is put into the center part of the ball to increase mass of the ball. Small projected lines are provided like seam lines on the surface of the ball to enable a user to throw breaking balls. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
