競賽
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【多種規格】無線多功能計分搶答機 4-12組按鈕 光速排名/支援PPT Wireless Multi-function Responder Competition 4-12 groups Light Speed Auto-Ranking/Support PPT
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日本水火箭專用接咀 Japan Water Rocket Nozzle
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日本水火箭專用火箭尖頂 火箭尾翼及火箭接咀 Japan Water Rocket Nozzle Wings Rocket top
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日本水火箭發射器 發射架全套 Japan Water Rocket Kit
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八位數競賽用三角架高度可調記分板 翻分板 8 digits large steel scoreboard with Height-adjustable tripod
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四位數競賽用大型支架带轆記分板 翻分板 4 digits large steel scoreboard with wheels
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【多種規格】船模航海模型練習/競賽水池 3米/6米/10米 Ship model sailing model teaching pool competition pool
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【多種規格】二位數紙板記分牌 計分牌 翻分牌 紅底/藍底 2 digits scoreboard
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【多種規格】三位數紙板記分牌 計分牌 翻分牌 紅底/藍底 3 digits scoreboard
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四位數紙板記分牌 計分牌 翻分牌 4 digits scoreboard
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專業競賽級水火箭套裝 Professional Competition Level Water Rocket Suit
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【多種規格】空白轉盤（大型）演示用 Blank Probability Spinner Set (for demo)
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