Over 280 cool, creative activities to wile away the hours on a Saturday, after school or sleep over with your best friends! All activities are developed with science teachers and provide the science behind the activity along with parental guidance symbols. You'll learn to: Uncover the secrets of lights and discover the mysteries of energy! Glam it up with home-grown crystals, reveal the wonders of magnetic attraction, get down and learn about the ground beneath your feet! Save the planet as you compost and recycle, even uncover the wonders of the weather! Host your own spa as you make fizzy bath bombs, mix up a face mask, whip up your own line of lip balms and serve up some tasty treats!