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Extras

    Video thumbnail: Science Trek Inventions: It Will Never Work.

    Science Trek

    Inventions: It Will Never Work.

    Failure or Success?

    Inventions: It Will Never Work.

    Video thumbnail: Science Trek Inventions: How Young?

    Science Trek

    Inventions: How Young?

    Learn about young people who invent.

    Inventions: How Young?

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