発明すべき21のこと 😂
Genius Inventions That Should Be Implemented In Every City
まだ発明されていない最高の発明は何ですか?
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how to make easy invention - ideas that haven't been invented 👾🎃💉✅-
チャンスがあったら何を発明したいですか?
I made a $100 invention for $1 !!!!
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55の驚くべき発明と賢いアイデア!
これなしでは人生を想像できない15の偶然の発明
4 simple ways to have a great idea | Richard St. John
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6 SIMPLE INVENTIONS
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