Discover what energy is, how it is generated now and what choices await us in the future. Learn about global warming. Build a solar car and join the race to save the planet! 22 activities, including building a solar racer, launching a super capacitor car, making an electric car, spinning a flywheel generator, building a battery to light an LED, storing potential energy on your head, discovering how cells work and much more! Requires some common household items, a 1.5 volt battery and a 9 volt battery (not included). 48-page book, ages 8 and up.