Mike Gray

"Learning to be a maker has never been more fun. Lavishly illustrated with cartoons and drawings, this book guides the reader through six hands-on projects using electricity. Discover the electrical potential lurking in a stack of pennies - enough to light up an LED or power a calculator! Launch a flying LED copter into the air. Make a speaker that plays music from an index card. Build working motors from a battery, a magnet, and some copper wire....