在一家充滿歡樂氛圍的兒童樂園裡，有許多吸引小朋友的機械玩具。這些機械玩具大多是投幣式的，讓小朋友可以用硬幣插入機器，啟動各種有趣的遊戲或動作。孩子們可以騎乘旋轉木馬、控制小型遙控車，或是挑戰投籃機等等。這些投幣式機械玩具不僅讓兒童度過愉快的時光，也培養了他們的操作能力和專注力。
Keywords: Coin-operated, Children, Mechanical toys
Title: Coin-operated Mechanical Toys in Children's Playground
Article: In a joyful children's playground, there are many mechanical toys that attract kids. Most of these mechanical toys are coin-operated, allowing children to insert coins into the machines to start various fun games or actions. Kids can ride on the carousel, control small remote-controlled cars, or challenge the basketball shooting machine. These coin-operated mechanical toys not only provide children with a great time, but also cultivate their operational skills and concentration.
（本文章僅就題目要求進行撰寫，不代表任何觀點或意見）
