| 摘要 |
PURPOSE: A ball is provided to help elders who lives alone or people who lives far from family by providing features and voices of the family. CONSTITUTION: A ball can be used for exercising purpose and giving psychological stability. Users can put desired objects inside the ball. The users can record voice into the objects which the user put into the ball. By recording the voice, elders who do not want to work out alone can exercise without feeling lonely.
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