| 摘要 |
PURPOSE: A sport playing tool for infant is provided to serve up/down movement for the infant by using body weight to accomplish growth balance of the infant and/or derivation of interest in playing the good. CONSTITUTION: The tool comprises a head(14) with animal shape, a body(13) provided with paws and hind legs(15,15A) and wheels(2) on the legs(15,15A) rotating forward by one-directional braking portion. The legs(15,15A) have a shaft(16A) for connecting the legs to the body. The tool further has a fixture axis at lower center of the body, a supporting bar(16) for the legs and a first and a second returning springs. When the body(13) goes down, the paw(15) progresses and the springs are widen, while the body(13) goes up, the hidden leg(15A) progresses and the springs are returned to original position.
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