The Razor Ground Force Elite electric go-kart for riders up to 200 lb. has just been launched, ... Compare that to Segway’s adult-sized electric go-kart that launched at between 3-4x this price.

Kart the Park puts kids (ages 8-13) and teens/adults (13 and older) behind the wheel of go-karts on a half-mile paved track that features numerous turns and elevation changes.

The nearest outdoor professional go-kart track is Oakland Valley Race Park in Cuddebackville, NY., Hart said. Anyone 16 and up can drive an adult kart; children must be at least 8 years old and 48 ...