Use a motor to make a fan and a speaker. People often take for granted the common items and devices they use in everyday life. Looks can be deceiving. It's not what things appear to be, it's what they can become.
Milk can be turned into plastic; with the twist of a screw any FM radio can eavesdrop on aircraft broadcasts; a radio can be made from a penny, you can reveal counterfeit currency, learn how to make alternative energy science projects, make a boomerang with a bookmark, how to turn a TV tray into a 6-foot robot, how boats are made with milk cartons, how POWs made an airplane out of sleeping bags and more. "Things" will never seem the same again. Watch this how to video to learn how to use a motor to create a fan or speaker.
Oh... and if you're working from home these days, be sure to check out Gadget Hacks' Working-From-Home Essentials.