Cirin RC Car - A printed remote control car with a 30 mph top speed and a 500 ft range; powered by a 16 ft long rubber band (wound by a power drill) that disperses energy to a carbon fiber driveshaft. Hell on wheels with a carbon conscious footprint.
Mow strips can be made from any solid material used to separate the lawn from a planting bed. They allow a law mower to trim the grass all the way to edge of the lawn without having to use a string trimmer.
Watering can lights
CNC Router Source: The Ultimate Information Resource