KELVIN® Tug-Of-War Competition
  • KELVIN® Tug-of-War Competition Vehicle Starter Pack

    KELVIN® Tug-of-War Competition Vehicle Starter Pack

    By altering gear ratios, vehicle weight, traction systems and wheel sizes, students build vehicles with the greatest pulling power. They can try to move the greatest weight or pull another vehicle across the threshold. A fun learning experience. The...

    $89.95
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