看似無用，卻很厲害的玩具，讓人淪陷在它多變的滾動邏輯！ 


相信小時候每個人都有這種經驗，想要完成一個精密的連動結構。正如湯姆貓與傑利鼠還有許多卡通裡面的橋段一樣，每一步驟都搭配得恰到好處！有趣有趣


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