1. Holson LM. Laws struggle to keep up as hoverboards’ popularity soars. New York Times, 2015.
2. Booth B. Bans and injuries aside, hoverboards top 2015 wish lists. CNBC, 2015.
3. Razor hovertrax 2.0 hovertrax DLX 2.0 owner’s manual. https://www.razor.com/products/ride-ons/hovertrax-2-0-hover-board/ (accessed 28.07.15).
4. Segway technology. http://www.segway.com/about-segway/segway-technology.php.
5. Self-balancing scooters/hoverboards recalled by 10 firms due to fire hazard. United States Consumer Product Safety Commission July 6, 2016.