| 摘要 |
A hand-propelled wheeled device for children comprises a substantially circular frame which is assembled from two U-shaped tubular pipes, two side wheels which are rotatably mounted inwardly along two opposite and parallel sides of the frame, each side wheel having a hand grip provided thereon for manually propelling and steering the device, a seat supporting member disposed longitudinally within the frame and parallel to the two side wheels and a footrest, a seat, and an auxiliary wheel mounted to the supporting member.
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