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Javelin Launcher

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  • Javelin Launcher

    Jörg and Cheyenne are challenged to build a javelin Launcher. The two work together and build a machine that is so impressive that Jörg thinks it could beat a professional athlete. But will they beat an Olympic medallist in the finale?

  • Super Stone Skimmer

    Jörg & Cheyenne are challenged to build a machine that can skim a stone across a lake. Jörg designs a slinger that throws like an arm but isn’t strong enough. Will Jörg’s second design be powerful enough to compete with a stone skimming champion?