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  • MAD SCIENTISTS

  • VIDEOS

    • Jet-Powered Mini-Van show

      Jet-Powered Mini-Van

      John meets Chris Krug, a South Carolina inventor who put a helicopter engine in his minivan - and then they drag race down...

      (02:19)
    • Biggest Teeter Totter Ever show

      Biggest Teeter Totter Ever

      The Needham brothers are two inventors with innovative ways of having fun.

      (03:15)