i100 Electric Self Balancing Scooter with 7MPH Top Speed, 10 Mile Range, 5HR Full-Charge, Built-In Bluetooth Speaker, Rider Modes: Amazon.com

: The board only works on a specialized track embedded with permanent magnets . Concrete and wood are not magnetic, so the board will not hover at standard skate parks or on streets.

: You can find various self-balancing models at stores like Amazon and Walmart . g., off-road vs. indoor)? Lexus Hoverboard - Amazon.com

makes it impractical for consumer use outside of controlled environments: