| 摘要 |
PROBLEM TO BE SOLVED: To provide a safe and attractive structure for a play apparatus, which allows children to play without being affected with ambient temperature and sunlight, and gives satisfactory outside play for children. SOLUTION: The play apparatus includes a jungle gym 1 formed of a hollow pipe member 3 into a shape with continuous single line, and a heat medium B flows inside the hollow pipe member 3. A heat medium heater 10 for heating the heat medium B is provided above the jungle gym 1. COPYRIGHT: (C)2004,JPO&NCIPI
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