For dads who have a lawn, keeping a yard in shape can either be a joy or a hassle. Dads who don't relish the thought of pushing or riding a lawnmower around a yard in the summer heat might appreciate a little help from a robotic landscaper.
There are several robot lawnmowers on the market. Some require professional installation -- a representative will visit your dad's yard and program the lawnmower so that it stays within the property perimeter. Others may require you to install wire to act as nearly-invisible boundary to keep the robot lawnmower from rampaging through the neighborhood.
You can find lawnmowers that work off of battery power, meaning that your dad won't have to breathe in exhaust fumes or worry about buying fuel regularly. Some even have solar panels that help supplement the battery power. But best of all, the robot lawnmowers give your dad the chance to kick back and relax while the yard work gets done.