Science is made fun for children through an exciting narrative adventure and hands-on experiments Join Dr. Mollie Cule on her mission to reassemble Axel the robot. Complete with step-by-step, illustrated instructions, this book introduces the amazing science behind some of the coolest activities out there, including creating a tornado and building a robot hand. In the process of helping Mollie repair Axel, keep your mind sharp by learning about electricity, binary math, density, and more. Perfect for at-home diversion, these activities will interest the most curious young scientists. The projects use materials that are readily available around the house and safe for kids; they vary in degree of difficulty, and it is noted when and where adult assistance should be requested.