AdvertisementHalf A Million 'Hoverboards' Recalled Over Risk Of Fire, ExplosionsJuly 06, 2016Camila DomonoskefacebookEmailA youth poses as he rides a hoverboard, which is also known as a self-balancing scooter and balance board, last October in Knutsford, England. More than half a million of the devices have been recalled in the United States, after nearly 100 instances of the boards catching fire. (Getty Images)