Watch: These kids have to use rowing machine if they want to play their video games

Playing video games all day long becomes a healthy sport when you've got one of these genius contraptions. Maker Jeremy Fielding uses a rowing machine to make this human-powered generator, which is needed if the kids want to play their video games, and they have less than one minute to switch rowers – otherwise the power goes out and their game goes kaput.

Here's the full video, in which he explains how he made this, as well as four other things made from treadmill parts, including a bench top DC power supply, beautiful clock, wood lathe, and steel-cutting bandsaw: