Ya know, sometimes I really love America:

Eastman Industries has taken the lawn mower to a new level (literally). The HoverMower is designed to hover slightly above the ground on a cushion of air, making it more maneuverable, extremely light, easy to propel and able to reach previously inaccessible places like extreme inclines, wet grounds, and tight, difficult to get at places.

Now to convince my kid to use it. One day, one day...