All-American Makers

All-American Makers

Zero Hour (1x4)


Udgivelsesdato: Feb 11, 2015

Brook & Brian help Mark vet four innovative products: a remote controlled lawn mower; a revolutionary digital guitar; an indestructible flashlight that powers your electronics; & a bike helmet that records brainwaves and stress levels when you ride.

  • Premieret: Jan 2015
  • Afsnit: 18
  • Følgere: 2
  • Slut
  • Science Channel
  • Onsdag